# Rule 2.2 Ball: how the wording changed (American one-wall, small ball) 50 rulebooks state this rule, from 1931 to 26 January 2025. The wording was reworded or changed 9 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 | | --- | --- | --- | | 1931 | A.A.U. Four-Wall Rules, 1931 | 1 first recorded | | 1931 | A.A.U. One-Wall Rules, 1931 | 1 first recorded | | 20 June 1990 | USHA Four-Wall Rules, 20 June 1990 | 2 first recorded, 1 punctuation only | | 14 October 1994 | USHA One-Wall Rules, 14 October 1994 | 4 first recorded, 1 reworded | | 31 January 1999 | USHA Four-Wall Rules, 31 January 1999 | 2 unchanged, 1 punctuation only | | 31 January 1999 | American four-wall, 31 January 1999 | 2 unchanged, 1 punctuation only | | 2000 | USHA One-Wall Rules, 2000 | 4 unchanged, 1 changed | | 9 March 2001 | USHA One-Wall Rules, March 2001 | 5 unchanged | | 7 October 2001 | USHA One-Wall Rules, 7 October 2001 | 5 unchanged | | 8 April 2002 | USHA One-Wall Rules, 8 April 2002 | 5 unchanged | | 20 August 2002 | USHA One-Wall Rules, 20 August 2002 | 5 unchanged | | 19 January 2005 | USHA Three-Wall Addendum, December 2004 | 3 unchanged | | 1 April 2005 | USHA One-Wall Rules, 1 April 2005 | 1 punctuation only, 2 reworded, 1 changed | | 15 April 2005 | USHA Four-Wall Rules, 16 January 2005 | 1 first recorded, 2 unchanged, 1 changed | | June 2006 | USHA Four-Wall Rule Changes, June 2006 | 4 unchanged | | June 2006 | American one-wall, small ball, June 2006 | 4 unchanged | | June 2006 | USHA One-Wall Rules, June 2006 | 4 unchanged | | May 2007 | USHA Four-Wall Rule Changes, May 2007 | 4 unchanged | | 13 October 2007 | American three-wall, 13 October 2007 | 3 unchanged, 1 changed | | June 2008 | USHA One-Wall Rules, June 2008 | 4 unchanged | | 2012 | USHA Four-Wall Rules, 2012 | 3 punctuation only, 1 changed | | 2014 | USHA Four-Wall Rules, 2014 | 4 unchanged | | January 2014 | USHA One-Wall Rules, January 2014 | 1 unchanged, 3 punctuation only | | 6 February 2015 | USHA Four-Wall Rules, 6 February 2015 | 4 unchanged | | 6 February 2015 | USHA One-Wall Addendum, 6 February 2015 | 4 unchanged | | 6 February 2015 | USHA Three-Wall Addendum, 6 February 2015 | 1 unchanged, 2 punctuation only, 1 changed | | 22 January 2017 | USHA Four-Wall Rules, 22 January 2017 | 3 unchanged, 1 punctuation only | | 22 January 2017 | USHA One-Wall Addendum, 22 January 2017 | 3 unchanged, 1 punctuation only | | 22 January 2017 | USHA Three-Wall Addendum, 22 January 2017 | 3 unchanged, 1 punctuation only | | 27 January 2019 | USHA Four-Wall Rules, 27 January 2019 | 4 unchanged | | 27 January 2019 | USHA One-Wall Rules, 27 January 2019 | 4 unchanged | | 12 July 2019 | American four-wall, 12 July 2019 | 4 unchanged | | 12 July 2019 | American one-wall, small ball, 12 July 2019 | 4 unchanged | | 26 January 2020 | USHA Four-Wall Rules, 26 January 2020 | 4 unchanged | | 26 January 2020 | USHA One-Wall Rules, 26 January 2020 | 4 unchanged | | 20 September 2020 | USHA One-Wall Rules, September 2020 | 4 unchanged | | 21 September 2020 | USHA Four-Wall Rules, September 2020 | 4 unchanged | | 22 January 2021 | USHA Four-Wall Rules, 22 January 2021 | 4 unchanged | | 22 January 2021 | USHA One-Wall Rules, 22 January 2021 | 4 unchanged | | 9 December 2021 | USHA Four-Wall Rules, December 2021 | 4 unchanged | | 23 January 2022 | USHA Four-Wall Rules, 23 January 2022 | 4 unchanged | | 23 January 2022 | USHA One-Wall Rules, 23 January 2022 | 4 unchanged | | 27 November 2022 | American four-wall, 27 November 2022 | 4 unchanged | | 17 January 2024 | American four-wall, 17 January 2024 | 4 unchanged | | 26 January 2024 | USHA Four-Wall Rules, 26 January 2024 | 4 unchanged | | 26 January 2024 | USHA One-Wall Rules, 26 January 2024 | 4 unchanged | | 17 July 2024 | American one-wall, small ball, 17 July 2024 | 4 unchanged | | 26 January 2025 | USHA Four-Wall Rulebook, 26 January 2025 | 4 unchanged | | 26 January 2025 | USHA One-Wall Rulebook, 26 January 2025 | 4 unchanged | | 26 January 2025 | USHA Three-Wall Addendum, 26 January 2025 | 4 unchanged | ## The wording ### Rule 2.2, item 1 Begins: “1.) Material. The material should be rubber or synthetic…” - **20 June 1990, USHA Four-Wall Rules**: First recorded (automatic). > 1.) Material. > The material should be rubber or synthetic material. - **14 October 1994, USHA One-Wall Rules**: First recorded (automatic). > 1) Material. The material should be rubber or synthetic material. - **31 January 1999, USHA Four-Wall Rules**: Unchanged (automatic). Compared with USHA Four-Wall Rules, 20 June 1990. > 1.) Material. [- > -] The material should be rubber or synthetic material. no words changed. - **31 January 1999, American four-wall**: Unchanged (automatic). Compared with USHA Four-Wall Rules, 20 June 1990. > 1.) Material. [- > -] The material should be rubber or synthetic material. no words changed. 6 more rulebooks with the same words: - 2000, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Rules, 14 October 1994. - 9 March 2001, USHA One-Wall Rules: Unchanged (automatic). - 7 October 2001, USHA One-Wall Rules: Unchanged (automatic). - 8 April 2002, USHA One-Wall Rules: Unchanged (automatic). - 20 August 2002, USHA One-Wall Rules: Unchanged (automatic). - 19 January 2005, USHA Three-Wall Addendum: Unchanged (automatic). Same words as American four-wall, 31 January 1999. - **1 April 2005, USHA One-Wall Rules**: Punctuation only (automatic). Compared with USHA One-Wall Rules, 20 August 2002. > [- 1) -] [+ 1.) +] Material. The material should be rubber or synthetic material. 1 word added, 1 removed. 7 more rulebooks with the same words: - 15 April 2005, USHA Four-Wall Rules: Unchanged (automatic). Same words as American four-wall, 31 January 1999. - June 2006, USHA Four-Wall Rule Changes: Unchanged (automatic). - June 2006, American one-wall, small ball: Unchanged (automatic). Same words as USHA One-Wall Rules, 1 April 2005. - June 2006, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Rules, 1 April 2005. - May 2007, USHA Four-Wall Rule Changes: Unchanged (automatic). Same words as USHA Four-Wall Rule Changes, June 2006. - 13 October 2007, American three-wall: Unchanged (automatic). Same words as American four-wall, 31 January 1999. - June 2008, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Rules, June 2006. - **2012, USHA Four-Wall Rules**: Punctuation only (automatic). Compared with USHA Four-Wall Rule Changes, May 2007. > [- 1.) -] [+ 1) +] Material. The material should be rubber or synthetic material. 1 word added, 1 removed. - 2014, USHA Four-Wall Rules: Unchanged (automatic). - **January 2014, USHA One-Wall Rules**: Punctuation only (automatic). Compared with USHA One-Wall Rules, June 2008. > [- 1.) -] [+ 1) +] Material. The material should be rubber or synthetic material. 1 word added, 1 removed. - 6 February 2015, USHA Four-Wall Rules: Unchanged (automatic). Same words as USHA Four-Wall Rules, 2014. - 6 February 2015, USHA One-Wall Addendum: Unchanged (automatic). Same words as USHA One-Wall Rules, January 2014. - **6 February 2015, USHA Three-Wall Addendum**: Punctuation only (automatic). Compared with USHA Three-Wall Addendum, December 2004. > [- 1.) -] [+ 1) +] Material. The material should be rubber or synthetic material. 1 word added, 1 removed. 24 more rulebooks with the same words: - 22 January 2017, USHA Four-Wall Rules: Unchanged (automatic). Same words as USHA Four-Wall Rules, 6 February 2015. - 22 January 2017, USHA One-Wall Addendum: Unchanged (automatic). Same words as USHA One-Wall Addendum, 6 February 2015. - 22 January 2017, USHA Three-Wall Addendum: Unchanged (automatic). Same words as USHA Three-Wall Addendum, 6 February 2015. - 27 January 2019, USHA Four-Wall Rules: Unchanged (automatic). Same words as USHA Four-Wall Rules, 22 January 2017. - 27 January 2019, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Addendum, 22 January 2017. - 12 July 2019, American four-wall: Unchanged (automatic). Same words as USHA Four-Wall Rules, 27 January 2019. - 12 July 2019, American one-wall, small ball: Unchanged (automatic). Same words as USHA One-Wall Rules, 27 January 2019. - 26 January 2020, USHA Four-Wall Rules: Unchanged (automatic). Same words as American four-wall, 12 July 2019. - 26 January 2020, USHA One-Wall Rules: Unchanged (automatic). Same words as American one-wall, small ball, 12 July 2019. - 20 September 2020, USHA One-Wall Rules: Unchanged (automatic). - 21 September 2020, USHA Four-Wall Rules: Unchanged (automatic). Same words as USHA Four-Wall Rules, 26 January 2020. - 22 January 2021, USHA Four-Wall Rules: Unchanged (automatic). - 22 January 2021, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Rules, September 2020. - 9 December 2021, USHA Four-Wall Rules: Unchanged (automatic). Same words as USHA Four-Wall Rules, 22 January 2021. - 23 January 2022, USHA Four-Wall Rules: Unchanged (automatic). - 23 January 2022, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Rules, 22 January 2021. - 27 November 2022, American four-wall: Unchanged (automatic). Same words as USHA Four-Wall Rules, 23 January 2022. - 17 January 2024, American four-wall: Unchanged (automatic). - 26 January 2024, USHA Four-Wall Rules: Unchanged (automatic). - 26 January 2024, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Rules, 23 January 2022. - 17 July 2024, American one-wall, small ball: Unchanged (automatic). - 26 January 2025, USHA Four-Wall Rulebook: Unchanged (automatic). Same words as USHA Four-Wall Rules, 26 January 2024. - 26 January 2025, USHA One-Wall Rulebook: Unchanged (automatic). Same words as American one-wall, small ball, 17 July 2024. - 26 January 2025, USHA Three-Wall Addendum: Unchanged (automatic). Same words as USHA Three-Wall Addendum, 22 January 2017. ### Rule 2.2, item 3 Begins: “Diameter—1 7-8 inches, with 1-32-inch variation.” - **1931, A.A.U. Four-Wall Rules**: First recorded (automatic). > Diameter—1 7-8 inches, with 1-32-inch variation. - **1931, A.A.U. One-Wall Rules**: First recorded (automatic). > Diameter—1 7-8 inches, with 1-32-inch variation. - **20 June 1990, USHA Four-Wall Rules**: Punctuation only (machine-reviewed). Compared with A.A.U. Four-Wall Rules, 1931. > [- Diameter—1 7-8 inches, -] [+ 3.) Size. > 1 and 7/8-inch diameter, +] with [- 1-32-inch -] [+ l/32-inch +] variation. 7 words added, 4 removed. - **14 October 1994, USHA One-Wall Rules**: Reworded (machine-reviewed). Compared with A.A.U. One-Wall Rules, 1931. > [- Diameter—1 7-8 inches, -] [+ 3) Size. 1 & 7/8-inch diameter, +] with [- 1-32-inch -] [+ l/32-inch +] variation. 7 words added, 4 removed. - **31 January 1999, USHA Four-Wall Rules**: Unchanged (automatic). Compared with USHA Four-Wall Rules, 20 June 1990. > 3.) Size. [- > -] 1 and 7/8-inch diameter, with l/32-inch variation. no words changed. - **31 January 1999, American four-wall**: Unchanged (automatic). Compared with USHA Four-Wall Rules, 20 June 1990. > 3.) Size. [- > -] 1 and 7/8-inch diameter, with l/32-inch variation. no words changed. 6 more rulebooks with the same words: - 2000, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Rules, 14 October 1994. - 9 March 2001, USHA One-Wall Rules: Unchanged (automatic). - 7 October 2001, USHA One-Wall Rules: Unchanged (automatic). - 8 April 2002, USHA One-Wall Rules: Unchanged (automatic). - 20 August 2002, USHA One-Wall Rules: Unchanged (automatic). - 19 January 2005, USHA Three-Wall Addendum: Unchanged (automatic). Same words as American four-wall, 31 January 1999. - **1 April 2005, USHA One-Wall Rules**: Reworded (machine-reviewed). Compared with USHA One-Wall Rules, 20 August 2002. > [- 3) -] [+ 3.) +] Size. 1 [- & -] [+ and +] 7/8-inch diameter, with [- l/32-inch variation. -] [+ a variation of 1/32-inch, plus or minus. +] 9 words added, 4 removed. - **15 April 2005, USHA Four-Wall Rules**: Changed (machine-reviewed). Compared with American four-wall, 31 January 1999. > 3.) Size. 1 and [- 7/8-inch -] [+ 5/8-inch +] diameter, with [- l/32-inch variation. -] [+ a variation of 1/32-inch, plus or minus. +] 8 words added, 3 removed. 4 more rulebooks with the same words: - June 2006, USHA Four-Wall Rule Changes: Unchanged (automatic). - June 2006, American one-wall, small ball: Unchanged (automatic). Same words as USHA One-Wall Rules, 1 April 2005. - June 2006, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Rules, 1 April 2005. - May 2007, USHA Four-Wall Rule Changes: Unchanged (automatic). Same words as USHA Four-Wall Rule Changes, June 2006. - **13 October 2007, American three-wall**: Changed (automatic). Compared with American four-wall, 31 January 1999. > 3.) Size. 1 and [- 7/8-inch -] [+ 5/8-inch +] diameter, with [- l/32-inch variation. -] [+ a variation of 1/32-inch, plus or minus. +] 8 words added, 3 removed. - June 2008, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Rules, June 2006. - **2012, USHA Four-Wall Rules**: Changed (machine-reviewed). Compared with USHA Four-Wall Rule Changes, May 2007. > [- 3.) -] [+ 3) +] Size. 1 and [- 5/8-inch -] [+ 7/8-inch +] diameter, with a variation of 1/32-inch, plus or minus. 2 words added, 2 removed. - 2014, USHA Four-Wall Rules: Unchanged (automatic). - **January 2014, USHA One-Wall Rules**: Punctuation only (automatic). Compared with USHA One-Wall Rules, June 2008. > [- 3.) -] [+ 3) +] Size. 1 and 7/8-inch diameter, with a variation of 1/32-inch, plus or minus. 1 word added, 1 removed. - 6 February 2015, USHA Four-Wall Rules: Unchanged (automatic). Same words as USHA Four-Wall Rules, 2014. - 6 February 2015, USHA One-Wall Addendum: Unchanged (automatic). Same words as USHA One-Wall Rules, January 2014. - **6 February 2015, USHA Three-Wall Addendum**: Changed (automatic). Compared with USHA Three-Wall Addendum, December 2004. > [- 3.) -] [+ 3) +] Size. 1 and 7/8-inch diameter, with [- l/32-inch variation. -] [+ a variation of 1/32-inch, plus or minus. +] 8 words added, 3 removed. 24 more rulebooks with the same words: - 22 January 2017, USHA Four-Wall Rules: Unchanged (automatic). Same words as USHA Four-Wall Rules, 6 February 2015. - 22 January 2017, USHA One-Wall Addendum: Unchanged (automatic). Same words as USHA One-Wall Addendum, 6 February 2015. - 22 January 2017, USHA Three-Wall Addendum: Unchanged (automatic). Same words as USHA Three-Wall Addendum, 6 February 2015. - 27 January 2019, USHA Four-Wall Rules: Unchanged (automatic). Same words as USHA Four-Wall Rules, 22 January 2017. - 27 January 2019, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Addendum, 22 January 2017. - 12 July 2019, American four-wall: Unchanged (automatic). Same words as USHA Four-Wall Rules, 27 January 2019. - 12 July 2019, American one-wall, small ball: Unchanged (automatic). Same words as USHA One-Wall Rules, 27 January 2019. - 26 January 2020, USHA Four-Wall Rules: Unchanged (automatic). Same words as American four-wall, 12 July 2019. - 26 January 2020, USHA One-Wall Rules: Unchanged (automatic). Same words as American one-wall, small ball, 12 July 2019. - 20 September 2020, USHA One-Wall Rules: Unchanged (automatic). - 21 September 2020, USHA Four-Wall Rules: Unchanged (automatic). Same words as USHA Four-Wall Rules, 26 January 2020. - 22 January 2021, USHA Four-Wall Rules: Unchanged (automatic). - 22 January 2021, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Rules, September 2020. - 9 December 2021, USHA Four-Wall Rules: Unchanged (automatic). Same words as USHA Four-Wall Rules, 22 January 2021. - 23 January 2022, USHA Four-Wall Rules: Unchanged (automatic). - 23 January 2022, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Rules, 22 January 2021. - 27 November 2022, American four-wall: Unchanged (automatic). Same words as USHA Four-Wall Rules, 23 January 2022. - 17 January 2024, American four-wall: Unchanged (automatic). - 26 January 2024, USHA Four-Wall Rules: Unchanged (automatic). - 26 January 2024, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Rules, 23 January 2022. - 17 July 2024, American one-wall, small ball: Unchanged (automatic). - 26 January 2025, USHA Four-Wall Rulebook: Unchanged (automatic). Same words as USHA Four-Wall Rules, 26 January 2024. - 26 January 2025, USHA One-Wall Rulebook: Unchanged (automatic). Same words as American one-wall, small ball, 17 July 2024. - 26 January 2025, USHA Three-Wall Addendum: Unchanged (automatic). Same words as USHA Three-Wall Addendum, 22 January 2017. ### Rule 2.2, item 5 Begins: “5.) Rebound. Rebound from free fall, 70-inch drop to…” - **20 June 1990, USHA Four-Wall Rules**: First recorded (automatic). > 5.) Rebound. > Rebound from free fall, 70-inch drop to a hard wood floor is 48 to 52 inches at a temperature of 68 degrees F. - **14 October 1994, USHA One-Wall Rules**: First recorded (automatic). > 5) Rebound. The rebound from freefall, 70-inch drop to a hardwood floor should be between 48 and 52 inches at a temperature of 68 degrees F. - **31 January 1999, USHA Four-Wall Rules**: Punctuation only (automatic). Compared with USHA Four-Wall Rules, 20 June 1990. > 5.) Rebound. [- > -] Rebound from free fall, 70-inch drop to a [- hard wood -] [+ hardwood +] floor is 48 to 52 inches at a temperature of 68 degrees F. 1 word added, 2 removed. - **31 January 1999, American four-wall**: Punctuation only (automatic). Compared with USHA Four-Wall Rules, 20 June 1990. > 5.) Rebound. [- > -] Rebound from free fall, 70-inch drop to a [- hard wood -] [+ hardwood +] floor is 48 to 52 inches at a temperature of 68 degrees F. 1 word added, 2 removed. 6 more rulebooks with the same words: - 2000, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Rules, 14 October 1994. - 9 March 2001, USHA One-Wall Rules: Unchanged (automatic). - 7 October 2001, USHA One-Wall Rules: Unchanged (automatic). - 8 April 2002, USHA One-Wall Rules: Unchanged (automatic). - 20 August 2002, USHA One-Wall Rules: Unchanged (automatic). - 19 January 2005, USHA Three-Wall Addendum: Unchanged (automatic). Same words as American four-wall, 31 January 1999. - **1 April 2005, USHA One-Wall Rules**: Reworded (machine-reviewed). Compared with USHA One-Wall Rules, 20 August 2002. > [- 5) -] [+ 5.) +] Rebound. [- The rebound -] [+ Rebound +] from [- freefall, -] [+ free fall, +] 70-inch drop to a hardwood floor [- should be between -] [+ is +] 48 [- and -] [+ to +] 52 inches at a temperature of 68 degrees F. 6 words added, 8 removed. 7 more rulebooks with the same words: - 15 April 2005, USHA Four-Wall Rules: Unchanged (automatic). Same words as American four-wall, 31 January 1999. - June 2006, USHA Four-Wall Rule Changes: Unchanged (automatic). - June 2006, American one-wall, small ball: Unchanged (automatic). Same words as USHA One-Wall Rules, 1 April 2005. - June 2006, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Rules, 1 April 2005. - May 2007, USHA Four-Wall Rule Changes: Unchanged (automatic). Same words as USHA Four-Wall Rule Changes, June 2006. - 13 October 2007, American three-wall: Unchanged (automatic). Same words as American four-wall, 31 January 1999. - June 2008, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Rules, June 2006. - **2012, USHA Four-Wall Rules**: Punctuation only (automatic). Compared with USHA Four-Wall Rule Changes, May 2007. > [- 5.) -] [+ 5) +] Rebound. Rebound from free fall, 70-inch drop to a hardwood floor is 48 to 52 inches at a temperature of 68 degrees F. 1 word added, 1 removed. - 2014, USHA Four-Wall Rules: Unchanged (automatic). - **January 2014, USHA One-Wall Rules**: Punctuation only (automatic). Compared with USHA One-Wall Rules, June 2008. > [- 5.) -] [+ 5) +] Rebound. Rebound from free fall, 70-inch drop to a hardwood floor is 48 to 52 inches at a temperature of 68 degrees F. 1 word added, 1 removed. - 6 February 2015, USHA Four-Wall Rules: Unchanged (automatic). Same words as USHA Four-Wall Rules, 2014. - 6 February 2015, USHA One-Wall Addendum: Unchanged (automatic). Same words as USHA One-Wall Rules, January 2014. - **6 February 2015, USHA Three-Wall Addendum**: Punctuation only (automatic). Compared with USHA Three-Wall Addendum, December 2004. > [- 5.) -] [+ 5) +] Rebound. Rebound from free fall, 70-inch drop to a hardwood floor is 48 to 52 inches at a temperature of 68 degrees F. 1 word added, 1 removed. 24 more rulebooks with the same words: - 22 January 2017, USHA Four-Wall Rules: Unchanged (automatic). Same words as USHA Four-Wall Rules, 6 February 2015. - 22 January 2017, USHA One-Wall Addendum: Unchanged (automatic). Same words as USHA One-Wall Addendum, 6 February 2015. - 22 January 2017, USHA Three-Wall Addendum: Unchanged (automatic). Same words as USHA Three-Wall Addendum, 6 February 2015. - 27 January 2019, USHA Four-Wall Rules: Unchanged (automatic). Same words as USHA Four-Wall Rules, 22 January 2017. - 27 January 2019, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Addendum, 22 January 2017. - 12 July 2019, American four-wall: Unchanged (automatic). Same words as USHA Four-Wall Rules, 27 January 2019. - 12 July 2019, American one-wall, small ball: Unchanged (automatic). Same words as USHA One-Wall Rules, 27 January 2019. - 26 January 2020, USHA Four-Wall Rules: Unchanged (automatic). Same words as American four-wall, 12 July 2019. - 26 January 2020, USHA One-Wall Rules: Unchanged (automatic). Same words as American one-wall, small ball, 12 July 2019. - 20 September 2020, USHA One-Wall Rules: Unchanged (automatic). - 21 September 2020, USHA Four-Wall Rules: Unchanged (automatic). Same words as USHA Four-Wall Rules, 26 January 2020. - 22 January 2021, USHA Four-Wall Rules: Unchanged (automatic). - 22 January 2021, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Rules, September 2020. - 9 December 2021, USHA Four-Wall Rules: Unchanged (automatic). Same words as USHA Four-Wall Rules, 22 January 2021. - 23 January 2022, USHA Four-Wall Rules: Unchanged (automatic). - 23 January 2022, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Rules, 22 January 2021. - 27 November 2022, American four-wall: Unchanged (automatic). Same words as USHA Four-Wall Rules, 23 January 2022. - 17 January 2024, American four-wall: Unchanged (automatic). - 26 January 2024, USHA Four-Wall Rules: Unchanged (automatic). - 26 January 2024, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Rules, 23 January 2022. - 17 July 2024, American one-wall, small ball: Unchanged (automatic). - 26 January 2025, USHA Four-Wall Rulebook: Unchanged (automatic). Same words as USHA Four-Wall Rules, 26 January 2024. - 26 January 2025, USHA One-Wall Rulebook: Unchanged (automatic). Same words as American one-wall, small ball, 17 July 2024. - 26 January 2025, USHA Three-Wall Addendum: Unchanged (automatic). Same words as USHA Three-Wall Addendum, 22 January 2017. ### Rule 2.2, item A Begins: “A. Specifications.” - **14 October 1994, USHA One-Wall Rules**: First recorded (automatic). > A. Specifications. 5 more rulebooks with the same words: - 2000, USHA One-Wall Rules: Unchanged (automatic). - 9 March 2001, USHA One-Wall Rules: Unchanged (automatic). - 7 October 2001, USHA One-Wall Rules: Unchanged (automatic). - 8 April 2002, USHA One-Wall Rules: Unchanged (automatic). - 20 August 2002, USHA One-Wall Rules: Unchanged (automatic). ### Rule 2.2, item C Begins: “4) Weight. 2.3 ounces, with a variation of .2…” - **14 October 1994, USHA One-Wall Rules**: First recorded (automatic). > 4) Weight. 2.3 ounces, with a variation of .2 ounces. A lighter ball may be used for any division provided it is USHA approved and is specified on the entry blank. - **2000, USHA One-Wall Rules**: Changed (machine-reviewed). Compared with USHA One-Wall Rules, 14 October 1994. > 4) Weight. [- 2.3 ounces, -] [+ 62 grams, +] with a variation of [- .2 ounces. -] [+ 2 grams. +] A lighter ball may be used for any division provided it is USHA approved and is specified on the entry blank. 4 words added, 4 removed. 4 more rulebooks with the same words: - 9 March 2001, USHA One-Wall Rules: Unchanged (automatic). - 7 October 2001, USHA One-Wall Rules: Unchanged (automatic). - 8 April 2002, USHA One-Wall Rules: Unchanged (automatic). - 20 August 2002, USHA One-Wall Rules: Unchanged (automatic). - **1 April 2005, USHA One-Wall Rules**: Changed (machine-reviewed). Compared with USHA One-Wall Rules, 20 August 2002. > [- 4) Weight. 62 grams, with a variation of 2 grams. -] [+ C. Other specifications +] A lighter [+ and/or larger +] ball may be used for any division provided it is USHA approved and is specified on the entry blank. 5 words added, 10 removed. - **15 April 2005, USHA Four-Wall Rules**: First recorded (automatic). > C. Other specifications. A lighter and/or larger ball may be used for any division provided it is USHA approved and is specified on the entry blank. 6 more rulebooks with the same words: - June 2006, USHA Four-Wall Rule Changes: Unchanged (automatic). - June 2006, American one-wall, small ball: Unchanged (automatic). Same words as USHA One-Wall Rules, 1 April 2005. - June 2006, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Rules, 1 April 2005. - May 2007, USHA Four-Wall Rule Changes: Unchanged (automatic). Same words as USHA Four-Wall Rule Changes, June 2006. - 13 October 2007, American three-wall: Unchanged (automatic). Same words as USHA Four-Wall Rules, 16 January 2005. - June 2008, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Rules, June 2006. - **2012, USHA Four-Wall Rules**: Punctuation only (automatic). Compared with USHA Four-Wall Rule Changes, May 2007. > C. Other [- specifications. -] [+ specifications +] A lighter and/or larger ball may be used for any division provided it is USHA approved and is specified on the entry blank. 1 word added, 1 removed. 5 more rulebooks with the same words: - 2014, USHA Four-Wall Rules: Unchanged (automatic). - January 2014, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Rules, June 2008. - 6 February 2015, USHA Four-Wall Rules: Unchanged (automatic). Same words as USHA Four-Wall Rules, 2014. - 6 February 2015, USHA One-Wall Addendum: Unchanged (automatic). Same words as USHA One-Wall Rules, January 2014. - 6 February 2015, USHA Three-Wall Addendum: Unchanged (automatic). Same words as USHA Four-Wall Rules, 6 February 2015. - **22 January 2017, USHA Four-Wall Rules**: Punctuation only (automatic). Compared with USHA Four-Wall Rules, 6 February 2015. > C. Other [- specifications -] [+ specifications. +] A lighter and/or larger ball may be used for any division provided it is USHA approved and is specified on the entry blank. 1 word added, 1 removed. - **22 January 2017, USHA One-Wall Addendum**: Punctuation only (automatic). Compared with USHA One-Wall Addendum, 6 February 2015. > C. Other [- specifications -] [+ specifications. +] A lighter and/or larger ball may be used for any division provided it is USHA approved and is specified on the entry blank. 1 word added, 1 removed. - **22 January 2017, USHA Three-Wall Addendum**: Punctuation only (automatic). Compared with USHA Three-Wall Addendum, 6 February 2015. > C. Other [- specifications -] [+ specifications. +] A lighter and/or larger ball may be used for any division provided it is USHA approved and is specified on the entry blank. 1 word added, 1 removed. 21 more rulebooks with the same words: - 27 January 2019, USHA Four-Wall Rules: Unchanged (automatic). Same words as USHA Four-Wall Rules, 22 January 2017. - 27 January 2019, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Addendum, 22 January 2017. - 12 July 2019, American four-wall: Unchanged (automatic). Same words as USHA Four-Wall Rules, 27 January 2019. - 12 July 2019, American one-wall, small ball: Unchanged (automatic). Same words as USHA One-Wall Rules, 27 January 2019. - 26 January 2020, USHA Four-Wall Rules: Unchanged (automatic). Same words as American four-wall, 12 July 2019. - 26 January 2020, USHA One-Wall Rules: Unchanged (automatic). Same words as American one-wall, small ball, 12 July 2019. - 20 September 2020, USHA One-Wall Rules: Unchanged (automatic). - 21 September 2020, USHA Four-Wall Rules: Unchanged (automatic). Same words as USHA Four-Wall Rules, 26 January 2020. - 22 January 2021, USHA Four-Wall Rules: Unchanged (automatic). - 22 January 2021, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Rules, September 2020. - 9 December 2021, USHA Four-Wall Rules: Unchanged (automatic). Same words as USHA Four-Wall Rules, 22 January 2021. - 23 January 2022, USHA Four-Wall Rules: Unchanged (automatic). - 23 January 2022, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Rules, 22 January 2021. - 27 November 2022, American four-wall: Unchanged (automatic). Same words as USHA Four-Wall Rules, 23 January 2022. - 17 January 2024, American four-wall: Unchanged (automatic). - 26 January 2024, USHA Four-Wall Rules: Unchanged (automatic). - 26 January 2024, USHA One-Wall Rules: Unchanged (automatic). Same words as USHA One-Wall Rules, 23 January 2022. - 17 July 2024, American one-wall, small ball: Unchanged (automatic). - 26 January 2025, USHA Four-Wall Rulebook: Unchanged (automatic). Same words as USHA Four-Wall Rules, 26 January 2024. - 26 January 2025, USHA One-Wall Rulebook: Unchanged (automatic). Same words as American one-wall, small ball, 17 July 2024. - 26 January 2025, USHA Three-Wall Addendum: Unchanged (automatic). Same words as USHA Three-Wall Addendum, 22 January 2017. All rules: [clause history](https://handball.theperfectship.com/rulebooks/clause-history/).