# Rule 2.2: how the wording changed (International four-wall (40x20)) 15 rulebooks state this rule, from January 2019 to 25 June 2026. The wording was reworded or changed 27 times. ## How to read this - Added words are marked [+ like this +]; removed words [- like this -]. - Each rulebook says what kind of change it is: unchanged, punctuation only, moved, reworded or changed. - A program matched each clause with the one before it. Automatic matches were made by the program alone; machine-reviewed ones were also checked by a second program. A person has not checked either. ## Rulebook by rulebook | Date | Rulebook | Clauses, by kind of change | | --- | --- | --- | | January 2019 | Irish one-wall / Wallball (GAA), January 2019 | 2 first recorded | | March 2020 | International four-wall (40x20), March 2020 | 25 unchanged | | March 2020 | Irish handball, hardball (60x30 alley game), March 2020 | 14 unchanged | | March 2020 | Irish handball, softball (60x30), March 2020 | 25 first recorded | | 4 February 2024 | International four-wall (40x20), 4 February 2024 | 17 unchanged, 6 punctuation only, 2 reworded | | 4 February 2024 | Irish handball, hardball (60x30 alley game), 4 February 2024 | 10 unchanged, 2 punctuation only, 2 reworded | | 4 February 2024 | Irish handball, softball (60x30), 4 February 2024 | 17 unchanged, 6 punctuation only, 2 reworded | | 9 February 2025 | International four-wall (40x20), 9 February 2025 | 8 punctuation only, 11 moved, 5 reworded, 1 changed | | 9 February 2025 | Irish handball, hardball (60x30 alley game), 9 February 2025 | 12 unchanged, 4 punctuation only, 7 moved, 2 reworded | | 9 February 2025 | Irish handball, softball (60x30), 9 February 2025 | 1 first recorded, 8 punctuation only, 11 moved, 5 reworded | | 9 February 2025 | Irish one-wall / Wallball (GAA), 9 February 2025 | 23 unchanged, 2 punctuation only | | 25 June 2026 | International four-wall (40x20), 25 June 2026 | 18 unchanged, 5 punctuation only, 1 reworded, 1 changed | | 25 June 2026 | Irish handball, hardball (60x30 alley game), 25 June 2026 | 18 unchanged, 5 punctuation only, 1 reworded, 1 changed | | 25 June 2026 | Irish handball, softball (60x30), 25 June 2026 | 18 unchanged, 5 punctuation only, 1 reworded, 1 changed | | 25 June 2026 | Irish one-wall / Wallball (GAA), 25 June 2026 | 18 unchanged, 5 punctuation only, 1 reworded, 1 changed | ## The wording ### Rule 2.2, part 1 of 25 - **January 2019, Irish one-wall / Wallball (GAA)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - March 2020, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). 3 more rulebooks with the same words: - 4 February 2024, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - **9 February 2025, International four-wall (40x20)**: Punctuation only (automatic). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, hardball (60x30 alley game)**: Punctuation only (automatic). Compared with Irish handball, hardball (60x30 alley game), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, softball (60x30)**: Punctuation only (automatic). Compared with Irish handball, softball (60x30), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish one-wall / Wallball (GAA)**: Punctuation only (automatic). Compared with Irish one-wall / Wallball (GAA), January 2019. Wording not shown here (the text of this rulebook is not published on this site). - **25 June 2026, International four-wall (40x20)**: Punctuation only (machine-reviewed). Compared with International four-wall (40x20), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). - **25 June 2026, Irish handball, hardball (60x30 alley game)**: Punctuation only (machine-reviewed). Compared with Irish handball, hardball (60x30 alley game), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). - **25 June 2026, Irish handball, softball (60x30)**: Punctuation only (machine-reviewed). Compared with Irish handball, softball (60x30), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). - **25 June 2026, Irish one-wall / Wallball (GAA)**: Punctuation only (machine-reviewed). Compared with Irish one-wall / Wallball (GAA), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). ### Rule 2.2, part 2 of 25 - **January 2019, Irish one-wall / Wallball (GAA)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - March 2020, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). 3 more rulebooks with the same words: - 4 February 2024, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - **9 February 2025, International four-wall (40x20)**: Punctuation only (automatic). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, hardball (60x30 alley game)**: Punctuation only (automatic). Compared with Irish handball, hardball (60x30 alley game), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, softball (60x30)**: Punctuation only (automatic). Compared with Irish handball, softball (60x30), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish one-wall / Wallball (GAA)**: Punctuation only (automatic). Compared with Irish one-wall / Wallball (GAA), January 2019. Wording not shown here (the text of this rulebook is not published on this site). - **25 June 2026, International four-wall (40x20)**: Punctuation only (machine-reviewed). Compared with International four-wall (40x20), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). - **25 June 2026, Irish handball, hardball (60x30 alley game)**: Punctuation only (machine-reviewed). Compared with Irish handball, hardball (60x30 alley game), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). - **25 June 2026, Irish handball, softball (60x30)**: Punctuation only (machine-reviewed). Compared with Irish handball, softball (60x30), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). - **25 June 2026, Irish one-wall / Wallball (GAA)**: Punctuation only (machine-reviewed). Compared with Irish one-wall / Wallball (GAA), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). ### Rule 2.2, part 3 of 25 - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). - 4 February 2024, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - **9 February 2025, International four-wall (40x20)**: Moved (automatic). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - 9 February 2025, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **9 February 2025, Irish handball, softball (60x30)**: Moved (automatic). Compared with Irish handball, softball (60x30), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). 5 more rulebooks with the same words: - 9 February 2025, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. - 25 June 2026, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. ### Rule 2.2, part 4 of 25 - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). - 4 February 2024, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - **9 February 2025, International four-wall (40x20)**: Moved (automatic). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - 9 February 2025, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **9 February 2025, Irish handball, softball (60x30)**: Moved (automatic). Compared with Irish handball, softball (60x30), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). 5 more rulebooks with the same words: - 9 February 2025, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. - 25 June 2026, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. ### Rule 2.2, part 5 of 25 - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - March 2020, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). 3 more rulebooks with the same words: - 4 February 2024, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - **9 February 2025, International four-wall (40x20)**: Moved (automatic). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, hardball (60x30 alley game)**: Moved (automatic). Compared with Irish handball, hardball (60x30 alley game), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, softball (60x30)**: Moved (automatic). Compared with Irish handball, softball (60x30), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). 5 more rulebooks with the same words: - 9 February 2025, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. - 25 June 2026, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. ### Rule 2.2, part 6 of 25 - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - March 2020, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). 3 more rulebooks with the same words: - 4 February 2024, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - **9 February 2025, International four-wall (40x20)**: Moved (automatic). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, hardball (60x30 alley game)**: Moved (automatic). Compared with Irish handball, hardball (60x30 alley game), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, softball (60x30)**: Moved (automatic). Compared with Irish handball, softball (60x30), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - 9 February 2025, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. - **25 June 2026, International four-wall (40x20)**: Reworded (machine-reviewed). Compared with International four-wall (40x20), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). - **25 June 2026, Irish handball, hardball (60x30 alley game)**: Reworded (machine-reviewed). Compared with Irish handball, hardball (60x30 alley game), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). - **25 June 2026, Irish handball, softball (60x30)**: Reworded (machine-reviewed). Compared with Irish handball, softball (60x30), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). - **25 June 2026, Irish one-wall / Wallball (GAA)**: Reworded (machine-reviewed). Compared with Irish one-wall / Wallball (GAA), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). ### Rule 2.2, part 7 of 25 - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). - **4 February 2024, International four-wall (40x20)**: Punctuation only (automatic). Compared with International four-wall (40x20), March 2020. Wording not shown here (the text of this rulebook is not published on this site). - **4 February 2024, Irish handball, softball (60x30)**: Punctuation only (automatic). Compared with Irish handball, softball (60x30), March 2020. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, International four-wall (40x20)**: Reworded (machine-reviewed). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - 9 February 2025, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **9 February 2025, Irish handball, softball (60x30)**: Reworded (machine-reviewed). Compared with Irish handball, softball (60x30), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). 5 more rulebooks with the same words: - 9 February 2025, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. - 25 June 2026, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. ### Rule 2.2, part 8 of 25 - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). - **4 February 2024, International four-wall (40x20)**: Punctuation only (automatic). Compared with International four-wall (40x20), March 2020. Wording not shown here (the text of this rulebook is not published on this site). - **4 February 2024, Irish handball, softball (60x30)**: Punctuation only (automatic). Compared with Irish handball, softball (60x30), March 2020. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, International four-wall (40x20)**: Reworded (machine-reviewed). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - 9 February 2025, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **9 February 2025, Irish handball, softball (60x30)**: Reworded (machine-reviewed). Compared with Irish handball, softball (60x30), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). 5 more rulebooks with the same words: - 9 February 2025, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. - 25 June 2026, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. ### Rule 2.2, part 9 of 25 - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - March 2020, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). 3 more rulebooks with the same words: - 4 February 2024, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - **9 February 2025, International four-wall (40x20)**: Moved (automatic). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, hardball (60x30 alley game)**: Moved (automatic). Compared with Irish handball, hardball (60x30 alley game), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, softball (60x30)**: Moved (automatic). Compared with Irish handball, softball (60x30), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). 5 more rulebooks with the same words: - 9 February 2025, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. - 25 June 2026, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. ### Rule 2.2, part 10 of 25 - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - March 2020, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). 3 more rulebooks with the same words: - 4 February 2024, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - **9 February 2025, International four-wall (40x20)**: Moved (automatic). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, hardball (60x30 alley game)**: Moved (automatic). Compared with Irish handball, hardball (60x30 alley game), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, softball (60x30)**: Moved (automatic). Compared with Irish handball, softball (60x30), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). 5 more rulebooks with the same words: - 9 February 2025, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. - 25 June 2026, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. ### Rule 2.2, part 11 of 25 - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). - **4 February 2024, International four-wall (40x20)**: Punctuation only (automatic). Compared with International four-wall (40x20), March 2020. Wording not shown here (the text of this rulebook is not published on this site). - **4 February 2024, Irish handball, softball (60x30)**: Punctuation only (automatic). Compared with Irish handball, softball (60x30), March 2020. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, International four-wall (40x20)**: Punctuation only (machine-reviewed). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - 9 February 2025, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **9 February 2025, Irish handball, softball (60x30)**: Punctuation only (machine-reviewed). Compared with Irish handball, softball (60x30), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - 9 February 2025, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. - **25 June 2026, International four-wall (40x20)**: Punctuation only (automatic). Compared with International four-wall (40x20), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). - **25 June 2026, Irish handball, hardball (60x30 alley game)**: Punctuation only (automatic). Compared with Irish handball, hardball (60x30 alley game), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). - **25 June 2026, Irish handball, softball (60x30)**: Punctuation only (automatic). Compared with Irish handball, softball (60x30), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). - **25 June 2026, Irish one-wall / Wallball (GAA)**: Punctuation only (automatic). Compared with Irish one-wall / Wallball (GAA), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). ### Rule 2.2, part 12 of 25 - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). - **4 February 2024, International four-wall (40x20)**: Punctuation only (automatic). Compared with International four-wall (40x20), March 2020. Wording not shown here (the text of this rulebook is not published on this site). - **4 February 2024, Irish handball, softball (60x30)**: Punctuation only (automatic). Compared with Irish handball, softball (60x30), March 2020. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, International four-wall (40x20)**: Punctuation only (machine-reviewed). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - 9 February 2025, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **9 February 2025, Irish handball, softball (60x30)**: Punctuation only (machine-reviewed). Compared with Irish handball, softball (60x30), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - 9 February 2025, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. - **25 June 2026, International four-wall (40x20)**: Punctuation only (automatic). Compared with International four-wall (40x20), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). - **25 June 2026, Irish handball, hardball (60x30 alley game)**: Punctuation only (automatic). Compared with Irish handball, hardball (60x30 alley game), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). - **25 June 2026, Irish handball, softball (60x30)**: Punctuation only (automatic). Compared with Irish handball, softball (60x30), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). - **25 June 2026, Irish one-wall / Wallball (GAA)**: Punctuation only (automatic). Compared with Irish one-wall / Wallball (GAA), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). ### Rule 2.2, part 13 of 25 - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - March 2020, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). 3 more rulebooks with the same words: - 4 February 2024, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - **9 February 2025, International four-wall (40x20)**: Moved (automatic). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, hardball (60x30 alley game)**: Moved (automatic). Compared with Irish handball, hardball (60x30 alley game), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, softball (60x30)**: Moved (automatic). Compared with Irish handball, softball (60x30), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). 5 more rulebooks with the same words: - 9 February 2025, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. - 25 June 2026, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. ### Rule 2.2, part 14 of 25 - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - March 2020, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). 3 more rulebooks with the same words: - 4 February 2024, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - **9 February 2025, International four-wall (40x20)**: Moved (automatic). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, hardball (60x30 alley game)**: Moved (automatic). Compared with Irish handball, hardball (60x30 alley game), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, softball (60x30)**: Moved (automatic). Compared with Irish handball, softball (60x30), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). 5 more rulebooks with the same words: - 9 February 2025, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. - 25 June 2026, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. ### Rule 2.2, part 15 of 25 - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). - 4 February 2024, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - **9 February 2025, International four-wall (40x20)**: Punctuation only (machine-reviewed). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - 9 February 2025, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **9 February 2025, Irish handball, softball (60x30)**: Punctuation only (machine-reviewed). Compared with Irish handball, softball (60x30), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). 5 more rulebooks with the same words: - 9 February 2025, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. - 25 June 2026, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. ### Rule 2.2, part 16 of 25 - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). - 4 February 2024, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - **9 February 2025, International four-wall (40x20)**: Punctuation only (machine-reviewed). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - 9 February 2025, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **9 February 2025, Irish handball, softball (60x30)**: Punctuation only (machine-reviewed). Compared with Irish handball, softball (60x30), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). 5 more rulebooks with the same words: - 9 February 2025, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. - 25 June 2026, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. ### Rule 2.2, part 17 of 25 - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - March 2020, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). 3 more rulebooks with the same words: - 4 February 2024, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - **9 February 2025, International four-wall (40x20)**: Punctuation only (machine-reviewed). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, hardball (60x30 alley game)**: Punctuation only (machine-reviewed). Compared with Irish handball, hardball (60x30 alley game), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, softball (60x30)**: Punctuation only (machine-reviewed). Compared with Irish handball, softball (60x30), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). 5 more rulebooks with the same words: - 9 February 2025, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. - 25 June 2026, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. ### Rule 2.2, part 18 of 25 - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). - 4 February 2024, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - **9 February 2025, International four-wall (40x20)**: Moved (automatic). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - 9 February 2025, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **9 February 2025, Irish handball, softball (60x30)**: Moved (automatic). Compared with Irish handball, softball (60x30), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). 5 more rulebooks with the same words: - 9 February 2025, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. - 25 June 2026, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. ### Rule 2.2, part 19 of 25 - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). - 4 February 2024, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - **9 February 2025, International four-wall (40x20)**: Moved (automatic). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - 9 February 2025, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **9 February 2025, Irish handball, softball (60x30)**: Moved (automatic). Compared with Irish handball, softball (60x30), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). 5 more rulebooks with the same words: - 9 February 2025, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. - 25 June 2026, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. ### Rule 2.2, part 20 of 25 - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - March 2020, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). 3 more rulebooks with the same words: - 4 February 2024, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - **9 February 2025, International four-wall (40x20)**: Moved (automatic). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, hardball (60x30 alley game)**: Moved (automatic). Compared with Irish handball, hardball (60x30 alley game), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, softball (60x30)**: Moved (automatic). Compared with Irish handball, softball (60x30), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). 5 more rulebooks with the same words: - 9 February 2025, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. - 25 June 2026, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. ### Rule 2.2, part 21 of 25 - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - March 2020, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). - **4 February 2024, International four-wall (40x20)**: Punctuation only (machine-reviewed). Compared with International four-wall (40x20), March 2020. Wording not shown here (the text of this rulebook is not published on this site). - **4 February 2024, Irish handball, hardball (60x30 alley game)**: Punctuation only (machine-reviewed). Compared with Irish handball, hardball (60x30 alley game), March 2020. Wording not shown here (the text of this rulebook is not published on this site). - **4 February 2024, Irish handball, softball (60x30)**: Punctuation only (machine-reviewed). Compared with Irish handball, softball (60x30), March 2020. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, International four-wall (40x20)**: Punctuation only (machine-reviewed). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, hardball (60x30 alley game)**: Punctuation only (machine-reviewed). Compared with Irish handball, hardball (60x30 alley game), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, softball (60x30)**: Punctuation only (machine-reviewed). Compared with Irish handball, softball (60x30), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). 5 more rulebooks with the same words: - 9 February 2025, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. - 25 June 2026, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. ### Rule 2.2, item E - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - March 2020, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). - **4 February 2024, International four-wall (40x20)**: Punctuation only (automatic). Compared with International four-wall (40x20), March 2020. Wording not shown here (the text of this rulebook is not published on this site). - **4 February 2024, Irish handball, hardball (60x30 alley game)**: Punctuation only (automatic). Compared with Irish handball, hardball (60x30 alley game), March 2020. Wording not shown here (the text of this rulebook is not published on this site). - **4 February 2024, Irish handball, softball (60x30)**: Punctuation only (automatic). Compared with Irish handball, softball (60x30), March 2020. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, International four-wall (40x20)**: Changed (automatic). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - 9 February 2025, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **9 February 2025, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). - 9 February 2025, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. - **25 June 2026, International four-wall (40x20)**: Changed (automatic). Compared with International four-wall (40x20), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). - **25 June 2026, Irish handball, hardball (60x30 alley game)**: Changed (automatic). Compared with Irish handball, hardball (60x30 alley game), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). - **25 June 2026, Irish handball, softball (60x30)**: Changed (automatic). Compared with Irish handball, softball (60x30), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). - **25 June 2026, Irish one-wall / Wallball (GAA)**: Changed (automatic). Compared with Irish one-wall / Wallball (GAA), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). ### Rule 2.2, item v - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). - 4 February 2024, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 4 February 2024, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - **9 February 2025, International four-wall (40x20)**: Reworded (machine-reviewed). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - 9 February 2025, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **9 February 2025, Irish handball, softball (60x30)**: Reworded (machine-reviewed). Compared with Irish handball, softball (60x30), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). 5 more rulebooks with the same words: - 9 February 2025, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. - 25 June 2026, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. ### Rule 2.2, item vii - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - March 2020, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). - **4 February 2024, International four-wall (40x20)**: Reworded (machine-reviewed). Compared with International four-wall (40x20), March 2020. Wording not shown here (the text of this rulebook is not published on this site). - **4 February 2024, Irish handball, hardball (60x30 alley game)**: Reworded (machine-reviewed). Compared with Irish handball, hardball (60x30 alley game), March 2020. Wording not shown here (the text of this rulebook is not published on this site). - **4 February 2024, Irish handball, softball (60x30)**: Reworded (machine-reviewed). Compared with Irish handball, softball (60x30), March 2020. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, International four-wall (40x20)**: Reworded (machine-reviewed). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, hardball (60x30 alley game)**: Reworded (machine-reviewed). Compared with Irish handball, hardball (60x30 alley game), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, softball (60x30)**: Reworded (machine-reviewed). Compared with Irish handball, softball (60x30), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - 9 February 2025, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. - **25 June 2026, International four-wall (40x20)**: Punctuation only (automatic). Compared with International four-wall (40x20), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). - **25 June 2026, Irish handball, hardball (60x30 alley game)**: Punctuation only (automatic). Compared with Irish handball, hardball (60x30 alley game), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). - **25 June 2026, Irish handball, softball (60x30)**: Punctuation only (automatic). Compared with Irish handball, softball (60x30), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). - **25 June 2026, Irish one-wall / Wallball (GAA)**: Punctuation only (automatic). Compared with Irish one-wall / Wallball (GAA), 9 February 2025. Wording not shown here (the text of this rulebook is not published on this site). ### Rule 2.2, item viii - March 2020, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - March 2020, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - **March 2020, Irish handball, softball (60x30)**: First recorded (automatic). Wording not shown here (the text of this rulebook is not published on this site). - **4 February 2024, International four-wall (40x20)**: Reworded (machine-reviewed). Compared with International four-wall (40x20), March 2020. Wording not shown here (the text of this rulebook is not published on this site). - **4 February 2024, Irish handball, hardball (60x30 alley game)**: Reworded (machine-reviewed). Compared with Irish handball, hardball (60x30 alley game), March 2020. Wording not shown here (the text of this rulebook is not published on this site). - **4 February 2024, Irish handball, softball (60x30)**: Reworded (machine-reviewed). Compared with Irish handball, softball (60x30), March 2020. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, International four-wall (40x20)**: Reworded (machine-reviewed). Compared with International four-wall (40x20), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, hardball (60x30 alley game)**: Reworded (machine-reviewed). Compared with Irish handball, hardball (60x30 alley game), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). - **9 February 2025, Irish handball, softball (60x30)**: Reworded (machine-reviewed). Compared with Irish handball, softball (60x30), 4 February 2024. Wording not shown here (the text of this rulebook is not published on this site). 5 more rulebooks with the same words: - 9 February 2025, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. - 25 June 2026, International four-wall (40x20): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, hardball (60x30 alley game): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish handball, softball (60x30): Unchanged (automatic). Wording not shown here. - 25 June 2026, Irish one-wall / Wallball (GAA): Unchanged (automatic). Wording not shown here. All rules: [clause history](https://handball.theperfectship.com/rulebooks/clause-history/).