Clause history · American four-wall

Rule 2.2 Ball: how the wording changed

50 rulebooks state this rule, from 1928 to 26 January 2025. The wording was reworded or changed 25 times.

How to read this page

Rulebook by rulebook

The table has one row per rulebook; each date jumps to its wording below.

Every rulebook this rule appears in, in date order, with the kinds of change found
DateRulebookClauses, by kind of change
1928A.A.U. Four-Wall Rules, 19281 first recorded
1931A.A.U. Four-Wall Rules, 19312 first recorded, 1 unchanged
20 June 1990USHA Four-Wall Rules, 20 June 19901 first recorded, 1 reworded, 2 changed
14 October 1994USHA One-Wall Rules, 14 October 19942 first recorded
31 January 1999USHA Four-Wall Rules, 31 January 19993 unchanged, 1 changed
31 January 1999American four-wall, 31 January 19993 unchanged, 1 changed
2000USHA One-Wall Rules, 20002 unchanged
9 March 2001USHA One-Wall Rules, March 20012 unchanged
7 October 2001USHA One-Wall Rules, 7 October 20012 unchanged
8 April 2002USHA One-Wall Rules, 8 April 20022 unchanged
20 August 2002USHA One-Wall Rules, 20 August 20022 unchanged
19 January 2005USHA Three-Wall Addendum, December 20044 unchanged
1 April 2005USHA One-Wall Rules, 1 April 20053 first recorded, 1 punctuation only, 1 changed
15 April 2005USHA Four-Wall Rules, 16 January 20052 first recorded, 1 unchanged, 2 changed
June 2006USHA Four-Wall Rule Changes, June 20065 unchanged
June 2006American one-wall, small ball, June 20065 unchanged
June 2006USHA One-Wall Rules, June 20065 unchanged
May 2007USHA Four-Wall Rule Changes, May 20075 unchanged
13 October 2007American three-wall, 13 October 20073 unchanged, 2 changed
June 2008USHA One-Wall Rules, June 20083 unchanged, 1 punctuation only, 1 reworded
2012USHA Four-Wall Rules, 20123 punctuation only, 2 changed
2014USHA Four-Wall Rules, 20145 unchanged
January 2014USHA One-Wall Rules, January 20142 punctuation only, 3 changed
6 February 2015USHA Four-Wall Rules, 6 February 20154 unchanged, 1 changed
6 February 2015USHA One-Wall Addendum, 6 February 20152 unchanged, 1 reworded, 2 changed
6 February 2015USHA Three-Wall Addendum, 6 February 20152 unchanged, 1 punctuation only, 2 changed
22 January 2017USHA Four-Wall Rules, 22 January 20175 unchanged
22 January 2017USHA One-Wall Addendum, 22 January 20175 unchanged
22 January 2017USHA Three-Wall Addendum, 22 January 20175 unchanged
27 January 2019USHA Four-Wall Rules, 27 January 20195 unchanged
27 January 2019USHA One-Wall Rules, 27 January 20192 unchanged, 1 reworded, 2 changed
12 July 2019American four-wall, 12 July 20195 unchanged
12 July 2019American one-wall, small ball, 12 July 20195 unchanged
26 January 2020USHA Four-Wall Rules, 26 January 20205 unchanged
26 January 2020USHA One-Wall Rules, 26 January 20205 unchanged
20 September 2020USHA One-Wall Rules, September 20205 unchanged
21 September 2020USHA Four-Wall Rules, September 20205 unchanged
22 January 2021USHA Four-Wall Rules, 22 January 20215 unchanged
22 January 2021USHA One-Wall Rules, 22 January 20215 unchanged
9 December 2021USHA Four-Wall Rules, December 20215 unchanged
23 January 2022USHA Four-Wall Rules, 23 January 20225 unchanged
23 January 2022USHA One-Wall Rules, 23 January 20225 unchanged
27 November 2022American four-wall, 27 November 20225 unchanged
17 January 2024American four-wall, 17 January 20245 unchanged
26 January 2024USHA Four-Wall Rules, 26 January 20245 unchanged
26 January 2024USHA One-Wall Rules, 26 January 20245 unchanged
17 July 2024American one-wall, small ball, 17 July 20245 unchanged
26 January 2025USHA Four-Wall Rulebook, 26 January 20255 unchanged
26 January 2025USHA One-Wall Rulebook, 26 January 20255 unchanged
26 January 2025USHA Three-Wall Addendum, 26 January 20255 unchanged

The wording

Each part of the rule is followed on its own, oldest rulebook first. Rulebooks of other codes that borrowed the wording appear in their place by date.

Rule 2.2, item 2

Begins: “Color—Black.”

  1. 1931 A.A.U. Four-Wall Rules

    First recorded automatic

    Color—Black.
  2. 20 June 1990 USHA Four-Wall Rules

    Reworded machine-reviewed

    Compared with A.A.U. Four-Wall Rules, 1931.

    Color—Black. 2.) Color.
    Color is optional.

    5 words added, 1 removed.

  3. 14 October 1994 USHA One-Wall Rules (American one-wall, small ball)

    First recorded automatic

    2) Color. Color is optional.
  4. 31 January 1999 USHA Four-Wall Rules

    Unchanged automatic

    Compared with USHA Four-Wall Rules, 20 June 1990.

    2.) Color.
    Color is optional.

    no words changed.

  5. 31 January 1999 American four-wall

    Unchanged automatic

    Compared with USHA Four-Wall Rules, 20 June 1990.

    2.) Color.
    Color is optional.

    no words changed.

  6. 6 more rulebooks with the same words
    • 2000 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, 14 October 1994. Read the rule
    • 9 March 2001 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Read the rule
    • 7 October 2001 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Read the rule
    • 8 April 2002 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Read the rule
    • 20 August 2002 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Read the rule
    • 19 January 2005 USHA Three-Wall Addendum (American three-wall) Unchanged automatic Same words as American four-wall, 31 January 1999.
  7. 1 April 2005 USHA One-Wall Rules (American one-wall, small ball)

    Punctuation only automatic

    Compared with USHA One-Wall Rules, 20 August 2002.

    2) 2.) Color. Color is optional.

    1 word added, 1 removed.

  8. 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. Read the rule
    • June 2006 USHA Four-Wall Rule Changes Unchanged automatic
    • June 2006 American one-wall, small ball (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, 1 April 2005.
    • June 2006 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, 1 April 2005. Read the rule
    • 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 (American three-wall) Unchanged automatic Same words as American four-wall, 31 January 1999.
    • June 2008 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, June 2006. Read the rule
  9. 2012 USHA Four-Wall Rules

    Punctuation only automatic

    Compared with USHA Four-Wall Rule Changes, May 2007.

    2.) 2) Color. Color is optional.

    1 word added, 1 removed.

  10. 2014 USHA Four-Wall Rules Unchanged automatic Read the rule
  11. January 2014 USHA One-Wall Rules (American one-wall, small ball)

    Punctuation only automatic

    Compared with USHA One-Wall Rules, June 2008.

    2.) 2) Color. Color is optional.

    1 word added, 1 removed.

  12. 6 February 2015 USHA Four-Wall Rules Unchanged automatic Same words as USHA Four-Wall Rules, 2014. Read the rule
  13. 6 February 2015 USHA One-Wall Addendum (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, January 2014.
  14. 6 February 2015 USHA Three-Wall Addendum (American three-wall)

    Punctuation only automatic

    Compared with USHA Three-Wall Addendum, December 2004.

    2.) 2) Color. Color is optional.

    1 word added, 1 removed.

  15. 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. Read the rule
    • 22 January 2017 USHA One-Wall Addendum (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Addendum, 6 February 2015.
    • 22 January 2017 USHA Three-Wall Addendum (American three-wall) 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. Read the rule
    • 27 January 2019 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Addendum, 22 January 2017. Read the rule
    • 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 (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. Read the rule
    • 26 January 2020 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as American one-wall, small ball, 12 July 2019. Read the rule
    • 20 September 2020 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Read the rule
    • 21 September 2020 USHA Four-Wall Rules Unchanged automatic Same words as USHA Four-Wall Rules, 26 January 2020. Read the rule
    • 22 January 2021 USHA Four-Wall Rules Unchanged automatic Read the rule
    • 22 January 2021 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, September 2020. Read the rule
    • 9 December 2021 USHA Four-Wall Rules Unchanged automatic Same words as USHA Four-Wall Rules, 22 January 2021. Read the rule
    • 23 January 2022 USHA Four-Wall Rules Unchanged automatic Read the rule
    • 23 January 2022 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, 22 January 2021. Read the rule
    • 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 Read the rule
    • 26 January 2024 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, 23 January 2022. Read the rule
    • 17 July 2024 American one-wall, small ball (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. Read the rule
    • 26 January 2025 USHA One-Wall Rulebook (American one-wall, small ball) Unchanged automatic Same words as American one-wall, small ball, 17 July 2024. Read the rule
    • 26 January 2025 USHA Three-Wall Addendum (American three-wall) Unchanged automatic Same words as USHA Three-Wall Addendum, 22 January 2017.

Rule 2.2, item 4

Begins: “Weight—2.3 ounces, with a variation of .5-ounce.”

  1. 1931 A.A.U. Four-Wall Rules

    First recorded automatic

    Weight—2.3 ounces, with a variation of .5-ounce.
  2. 20 June 1990 USHA Four-Wall Rules

    Changed machine-reviewed

    Compared with A.A.U. Four-Wall Rules, 1931.

    Weight—2.3 4.) Weight.
    2.3
    ounces, with a variation of .5-ounce. .2 ounces.
    A lighter ball may be used for any division provided it is USHA approved and is specified on the entry blank.

    26 words added, 2 removed.

  3. 31 January 1999 USHA Four-Wall Rules

    Changed machine-reviewed

    Compared with USHA Four-Wall Rules, 20 June 1990.

    4.) Weight.
    2.3 ounces,
    The ball shall be 58-62 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.

    8 words added, 4 removed.

  4. 31 January 1999 American four-wall

    Changed machine-reviewed

    Compared with USHA Four-Wall Rules, 20 June 1990.

    4.) Weight.
    2.3 ounces,
    The ball shall be 58-62 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.

    8 words added, 4 removed.

  5. 19 January 2005 USHA Three-Wall Addendum (American three-wall) Unchanged automatic
  6. 1 April 2005 USHA One-Wall Rules (American one-wall, small ball)

    First recorded automatic

    4.) Weight. The ball shall be 61 grams, with a variation of 3 grams, plus or minus.
  7. 15 April 2005 USHA Four-Wall Rules

    Changed machine-reviewed

    Compared with American four-wall, 31 January 1999.

    4.) Weight. The ball shall be 58-62 61 grams, with a variation of 2 grams. A lighter ball may be used for any division provided it is USHA approved and is specified on the entry blank. 3 grams, plus or minus.

    6 words added, 24 removed.

  8. 4 more rulebooks with the same words
    • June 2006 USHA Four-Wall Rule Changes Unchanged automatic
    • June 2006 American one-wall, small ball (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, 1 April 2005.
    • June 2006 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, 1 April 2005. Read the rule
    • May 2007 USHA Four-Wall Rule Changes Unchanged automatic Same words as USHA Four-Wall Rule Changes, June 2006.
  9. 13 October 2007 American three-wall (American three-wall)

    Changed automatic

    Compared with American four-wall, 31 January 1999.

    4.) Weight. The ball shall be 58-62 61 grams, with a variation of 2 grams. A lighter ball may be used for any division provided it is USHA approved and is specified on the entry blank. 3 grams, plus or minus.

    6 words added, 24 removed.

  10. June 2008 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, June 2006. Read the rule
  11. 2012 USHA Four-Wall Rules

    Changed machine-reviewed

    Compared with USHA Four-Wall Rule Changes, May 2007.

    4.) 4) Weight. The ball shall be 61 grams, with a variation of 3 grams, plus or minus. White label balls can weigh less.

    7 words added, 1 removed.

  12. 2014 USHA Four-Wall Rules Unchanged automatic Read the rule
  13. January 2014 USHA One-Wall Rules (American one-wall, small ball)

    Changed machine-reviewed

    Compared with USHA One-Wall Rules, June 2008.

    4.) 4) Weight. The USHA Red label ball shall be 61 grams, with a variation of 3 grams, plus or minus. The USHA White label and/or big balls can weigh less.

    14 words added, 1 removed.

  14. 6 February 2015 USHA Four-Wall Rules

    Changed machine-reviewed

    Compared with USHA Four-Wall Rules, 2014.

    4) Weight. The ball shall be 61 grams, with a variation of 3 grams, plus or minus. White label and big balls can weigh less.

    2 words added.

  15. 6 February 2015 USHA One-Wall Addendum (American one-wall, small ball)

    Reworded machine-reviewed

    Compared with USHA One-Wall Rules, January 2014.

    4) Weight. The USHA Red label ball shall be 61 grams, with a variation of 3 grams, plus or minus. The USHA White label and/or and big balls can weigh less.

    1 word added, 6 removed.

  16. 6 February 2015 USHA Three-Wall Addendum (American three-wall)

    Changed automatic

    Compared with USHA Three-Wall Addendum, December 2004.

    4.) 4) Weight. The ball shall be 58-62 61 grams, with a variation of 2 grams. A lighter ball may be used for any division provided it is USHA approved 3 grams, plus or minus. White label and is specified on the entry blank. big balls can weigh less.

    14 words added, 24 removed.

  17. 4 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. Read the rule
    • 22 January 2017 USHA One-Wall Addendum (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Addendum, 6 February 2015.
    • 22 January 2017 USHA Three-Wall Addendum (American three-wall) 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. Read the rule
  18. 27 January 2019 USHA One-Wall Rules (American one-wall, small ball)

    Reworded machine-reviewed

    Compared with USHA One-Wall Addendum, 22 January 2017.

    4) Weight. The USHA Red label ball shall be 61 grams, with a variation of 3 grams, plus or minus. The USHA White label and and/or big balls can weigh less.

    6 words added, 1 removed.

  19. 19 more rulebooks with the same words
    • 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 (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. Read the rule
    • 26 January 2020 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as American one-wall, small ball, 12 July 2019. Read the rule
    • 20 September 2020 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Read the rule
    • 21 September 2020 USHA Four-Wall Rules Unchanged automatic Same words as USHA Four-Wall Rules, 26 January 2020. Read the rule
    • 22 January 2021 USHA Four-Wall Rules Unchanged automatic Read the rule
    • 22 January 2021 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, September 2020. Read the rule
    • 9 December 2021 USHA Four-Wall Rules Unchanged automatic Same words as USHA Four-Wall Rules, 22 January 2021. Read the rule
    • 23 January 2022 USHA Four-Wall Rules Unchanged automatic Read the rule
    • 23 January 2022 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, 22 January 2021. Read the rule
    • 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 Read the rule
    • 26 January 2024 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, 23 January 2022. Read the rule
    • 17 July 2024 American one-wall, small ball (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. Read the rule
    • 26 January 2025 USHA One-Wall Rulebook (American one-wall, small ball) Unchanged automatic Same words as American one-wall, small ball, 17 July 2024. Read the rule
    • 26 January 2025 USHA Three-Wall Addendum (American three-wall) Unchanged automatic Same words as USHA Three-Wall Addendum, 22 January 2017.

Rule 2.2, item 6

Begins: “A new ball selected by the referee shall be…”

  1. 1928 A.A.U. Four-Wall Rules

    First recorded automatic

    A new ball selected by the referee shall be used for all championship matches.
  2. 1931 A.A.U. Four-Wall Rules Unchanged automatic Read the rule
  3. 20 June 1990 USHA Four-Wall Rules

    Changed machine-reviewed

    Compared with A.A.U. Four-Wall Rules, 1931.

    B. Selection.
    A new ball must be selected by the referee shall be used for use in each match in all championship matches. tournaments.
    During a game the referee has the authority to change balls if he deems it necessary.
    Though it is the referee's decision, he should honor requests when made by both sides or when he detects erratic bounces.

    47 words added, 5 removed.

  4. 14 October 1994 USHA One-Wall Rules (American one-wall, small ball)

    First recorded automatic

    B. Selection. A new ball must be selected by the referee for use in each match in all tournaments. During a game the referee has the authority to change balls if he deems it necessary. Though it is the referee's decision, he should honor requests when made by both sides or when he detects erratic bounces.
  5. 31 January 1999 USHA Four-Wall Rules

    Unchanged automatic

    Compared with USHA Four-Wall Rules, 20 June 1990.

    B. Selection.
    A new ball must be selected by the referee for use in each match in all tournaments.
    During a game the referee has the authority to change balls if he deems it necessary.
    Though it is the referee's decision, he should honor requests when made by both sides or when he detects erratic bounces.

    no words changed.

  6. 31 January 1999 American four-wall

    Unchanged automatic

    Compared with USHA Four-Wall Rules, 20 June 1990.

    B. Selection.
    A new ball must be selected by the referee for use in each match in all tournaments.
    During a game the referee has the authority to change balls if he deems it necessary.
    Though it is the referee's decision, he should honor requests when made by both sides or when he detects erratic bounces.

    no words changed.

  7. 6 more rulebooks with the same words
    • 2000 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, 14 October 1994. Read the rule
    • 9 March 2001 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Read the rule
    • 7 October 2001 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Read the rule
    • 8 April 2002 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Read the rule
    • 20 August 2002 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Read the rule
    • 19 January 2005 USHA Three-Wall Addendum (American three-wall) Unchanged automatic Same words as American four-wall, 31 January 1999.
  8. 1 April 2005 USHA One-Wall Rules (American one-wall, small ball)

    Changed machine-reviewed

    Compared with USHA One-Wall Rules, 20 August 2002.

    B. 6.) Selection. A new ball must should be selected approved by the referee for use in each match in all tournaments. During a game the referee has the authority to change balls if he deems it necessary. Though it is the referee's decision, he should honor requests when made by both sides or when he detects erratic bounces.

    3 words added, 4 removed.

  9. 15 April 2005 USHA Four-Wall Rules

    Changed machine-reviewed

    Compared with American four-wall, 31 January 1999.

    B. 6.) Selection. A new ball must should be selected approved by the referee for use in each match in all tournaments. During a game the referee has the authority to change balls if he deems it necessary. Though it is the referee's decision, he should honor requests when made by both sides or when he detects erratic bounces.

    3 words added, 4 removed.

  10. 4 more rulebooks with the same words
    • June 2006 USHA Four-Wall Rule Changes Unchanged automatic
    • June 2006 American one-wall, small ball (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, 1 April 2005.
    • June 2006 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, 1 April 2005. Read the rule
    • May 2007 USHA Four-Wall Rule Changes Unchanged automatic Same words as USHA Four-Wall Rule Changes, June 2006.
  11. 13 October 2007 American three-wall (American three-wall)

    Changed automatic

    Compared with American four-wall, 31 January 1999.

    B. 6.) Selection. A new ball must should be selected approved by the referee for use in each match in all tournaments. During a game the referee has the authority to change balls if he deems it necessary. Though it is the referee's decision, he should honor requests when made by both sides or when he detects erratic bounces.

    3 words added, 4 removed.

  12. June 2008 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, June 2006. Read the rule
  13. 2012 USHA Four-Wall Rules

    Punctuation only automatic

    Compared with USHA Four-Wall Rule Changes, May 2007.

    6.) 6) Selection. A ball should be approved by the referee for use in each match in all tournaments. During a game the referee has the authority to change balls if he deems it necessary. Though it is the referee's referee’s decision, he should honor requests when made by both sides or when he detects erratic bounces.

    2 words added, 2 removed.

  14. 2014 USHA Four-Wall Rules Unchanged automatic Read the rule
  15. January 2014 USHA One-Wall Rules (American one-wall, small ball)

    Punctuation only automatic

    Compared with USHA One-Wall Rules, June 2008.

    6.) 6) Selection. A ball should be approved by the referee for use in each match in all tournaments. During a game the referee has the authority to change balls if he deems it necessary. Though it is the referee's referee’s decision, he should honor requests when made by both sides or when he detects erratic bounces.

    2 words added, 2 removed.

  16. 6 February 2015 USHA Four-Wall Rules Unchanged automatic Same words as USHA Four-Wall Rules, 2014. Read the rule
  17. 6 February 2015 USHA One-Wall Addendum (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, January 2014.
  18. 6 February 2015 USHA Three-Wall Addendum (American three-wall)

    Changed automatic

    Compared with USHA Three-Wall Addendum, December 2004.

    B. 6) Selection. A new ball must should be selected approved by the referee for use in each match in all tournaments. During a game the referee has the authority to change balls if he deems it necessary. Though it is the referee's referee’s decision, he should honor requests when made by both sides or when he detects erratic bounces.

    4 words added, 5 removed.

  19. 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. Read the rule
    • 22 January 2017 USHA One-Wall Addendum (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Addendum, 6 February 2015.
    • 22 January 2017 USHA Three-Wall Addendum (American three-wall) 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. Read the rule
    • 27 January 2019 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Addendum, 22 January 2017. Read the rule
    • 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 (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. Read the rule
    • 26 January 2020 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as American one-wall, small ball, 12 July 2019. Read the rule
    • 20 September 2020 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Read the rule
    • 21 September 2020 USHA Four-Wall Rules Unchanged automatic Same words as USHA Four-Wall Rules, 26 January 2020. Read the rule
    • 22 January 2021 USHA Four-Wall Rules Unchanged automatic Read the rule
    • 22 January 2021 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, September 2020. Read the rule
    • 9 December 2021 USHA Four-Wall Rules Unchanged automatic Same words as USHA Four-Wall Rules, 22 January 2021. Read the rule
    • 23 January 2022 USHA Four-Wall Rules Unchanged automatic Read the rule
    • 23 January 2022 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, 22 January 2021. Read the rule
    • 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 Read the rule
    • 26 January 2024 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, 23 January 2022. Read the rule
    • 17 July 2024 American one-wall, small ball (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. Read the rule
    • 26 January 2025 USHA One-Wall Rulebook (American one-wall, small ball) Unchanged automatic Same words as American one-wall, small ball, 17 July 2024. Read the rule
    • 26 January 2025 USHA Three-Wall Addendum (American three-wall) Unchanged automatic Same words as USHA Three-Wall Addendum, 22 January 2017.

Rule 2.2, part 4 of 6

Begins: “A. Specifications.”

  1. 20 June 1990 USHA Four-Wall Rules

    First recorded automatic

    A. Specifications.
  2. 3 more rulebooks with the same words
    • 31 January 1999 USHA Four-Wall Rules Unchanged automatic Read the rule
    • 31 January 1999 American four-wall Unchanged automatic Same words as USHA Four-Wall Rules, 20 June 1990.
    • 19 January 2005 USHA Three-Wall Addendum (American three-wall) Unchanged automatic

Rule 2.2, part 5 of 6

Begins: “A. Only USHA official balls shall be used in…”

  1. 1 April 2005 USHA One-Wall Rules (American one-wall, small ball)

    First recorded automatic

    A. Only USHA official balls shall be used in all USHA events .
  2. 15 April 2005 USHA Four-Wall Rules

    First recorded automatic

    A. Only USHA official balls shall be used in all USHA event.
  3. 5 more rulebooks with the same words
    • June 2006 USHA Four-Wall Rule Changes Unchanged automatic
    • June 2006 American one-wall, small ball (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, 1 April 2005.
    • June 2006 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, 1 April 2005. Read the rule
    • 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 (American three-wall) Unchanged automatic Same words as USHA Four-Wall Rules, 16 January 2005.
  4. June 2008 USHA One-Wall Rules (American one-wall, small ball)

    Punctuation only automatic

    Compared with USHA One-Wall Rules, June 2006.

    A. Only USHA official balls shall be used in all USHA events . events.

    1 word added, 2 removed.

  5. 2012 USHA Four-Wall Rules

    Punctuation only automatic

    Compared with USHA Four-Wall Rule Changes, May 2007.

    A. Only USHA official balls shall be used in all USHA event. events.

    1 word added, 1 removed.

  6. 2014 USHA Four-Wall Rules Unchanged automatic Read the rule
  7. January 2014 USHA One-Wall Rules (American one-wall, small ball)

    Changed machine-reviewed

    Compared with USHA One-Wall Rules, June 2008.

    A. Only USHA official balls and/or approved-balls shall be used in all USHA events.

    2 words added, 1 removed.

  8. 6 February 2015 USHA Four-Wall Rules Unchanged automatic Same words as USHA Four-Wall Rules, 2014. Read the rule
  9. 6 February 2015 USHA One-Wall Addendum (American one-wall, small ball)

    Changed machine-reviewed

    Compared with USHA One-Wall Rules, January 2014.

    A. Only USHA official and/or approved-balls balls shall be used in all USHA events.

    1 word added, 2 removed.

  10. 5 more rulebooks with the same words
    • 6 February 2015 USHA Three-Wall Addendum (American three-wall) Unchanged automatic Same words as USHA Four-Wall Rules, 6 February 2015.
    • 22 January 2017 USHA Four-Wall Rules Unchanged automatic Same words as USHA Four-Wall Rules, 6 February 2015. Read the rule
    • 22 January 2017 USHA One-Wall Addendum (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Addendum, 6 February 2015.
    • 22 January 2017 USHA Three-Wall Addendum (American three-wall) 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. Read the rule
  11. 27 January 2019 USHA One-Wall Rules (American one-wall, small ball)

    Changed machine-reviewed

    Compared with USHA One-Wall Addendum, 22 January 2017.

    A. Only USHA official balls and/or approved-balls shall be used in all USHA events.

    2 words added, 1 removed.

  12. 19 more rulebooks with the same words
    • 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 (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. Read the rule
    • 26 January 2020 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as American one-wall, small ball, 12 July 2019. Read the rule
    • 20 September 2020 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Read the rule
    • 21 September 2020 USHA Four-Wall Rules Unchanged automatic Same words as USHA Four-Wall Rules, 26 January 2020. Read the rule
    • 22 January 2021 USHA Four-Wall Rules Unchanged automatic Read the rule
    • 22 January 2021 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, September 2020. Read the rule
    • 9 December 2021 USHA Four-Wall Rules Unchanged automatic Same words as USHA Four-Wall Rules, 22 January 2021. Read the rule
    • 23 January 2022 USHA Four-Wall Rules Unchanged automatic Read the rule
    • 23 January 2022 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, 22 January 2021. Read the rule
    • 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 Read the rule
    • 26 January 2024 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, 23 January 2022. Read the rule
    • 17 July 2024 American one-wall, small ball (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. Read the rule
    • 26 January 2025 USHA One-Wall Rulebook (American one-wall, small ball) Unchanged automatic Same words as American one-wall, small ball, 17 July 2024. Read the rule
    • 26 January 2025 USHA Three-Wall Addendum (American three-wall) Unchanged automatic Same words as USHA Three-Wall Addendum, 22 January 2017.

Rule 2.2, item B

Begins: “B. Current Specifications. USHA Red Label ball:”

  1. 1 April 2005 USHA One-Wall Rules (American one-wall, small ball)

    First recorded automatic

    B. Current Specifications. USHA Red Label ball:
  2. 15 April 2005 USHA Four-Wall Rules

    First recorded automatic

    B. Current Specifications. USHA Red Label ball:
  3. 5 more rulebooks with the same words
    • June 2006 USHA Four-Wall Rule Changes Unchanged automatic
    • June 2006 American one-wall, small ball (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, 1 April 2005.
    • June 2006 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, 1 April 2005. Read the rule
    • 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 (American three-wall) Unchanged automatic Same words as USHA Four-Wall Rules, 16 January 2005.
  4. June 2008 USHA One-Wall Rules (American one-wall, small ball)

    Reworded machine-reviewed

    Compared with USHA One-Wall Rules, June 2006.

    B. Current Specifications. USHA Red Label Ace® ball:

    1 word added, 1 removed.

  5. 2012 USHA Four-Wall Rules

    Changed machine-reviewed

    Compared with USHA Four-Wall Rule Changes, May 2007.

    B. Current Specifications. USHA Red Label ball: balls:

    1 word added, 3 removed.

  6. 2014 USHA Four-Wall Rules Unchanged automatic Read the rule
  7. January 2014 USHA One-Wall Rules (American one-wall, small ball)

    Changed machine-reviewed

    Compared with USHA One-Wall Rules, June 2008.

    B. Current Specifications. USHA Red Ace® ball: or White label ball as specified for event:

    8 words added, 2 removed.

  8. 6 February 2015 USHA Four-Wall Rules Unchanged automatic Same words as USHA Four-Wall Rules, 2014. Read the rule
  9. 6 February 2015 USHA One-Wall Addendum (American one-wall, small ball)

    Changed machine-reviewed

    Compared with USHA One-Wall Rules, January 2014.

    B. Current Specifications. USHA Red or White label ball as specified for event: balls:

    1 word added, 9 removed.

  10. 5 more rulebooks with the same words
    • 6 February 2015 USHA Three-Wall Addendum (American three-wall) Unchanged automatic Same words as USHA Four-Wall Rules, 6 February 2015.
    • 22 January 2017 USHA Four-Wall Rules Unchanged automatic Same words as USHA Four-Wall Rules, 6 February 2015. Read the rule
    • 22 January 2017 USHA One-Wall Addendum (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Addendum, 6 February 2015.
    • 22 January 2017 USHA Three-Wall Addendum (American three-wall) 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. Read the rule
  11. 27 January 2019 USHA One-Wall Rules (American one-wall, small ball)

    Changed machine-reviewed

    Compared with USHA One-Wall Addendum, 22 January 2017.

    B. Current Specifications. USHA balls: Red or White label ball as specified for event:

    9 words added, 1 removed.

  12. 19 more rulebooks with the same words
    • 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 (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. Read the rule
    • 26 January 2020 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as American one-wall, small ball, 12 July 2019. Read the rule
    • 20 September 2020 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Read the rule
    • 21 September 2020 USHA Four-Wall Rules Unchanged automatic Same words as USHA Four-Wall Rules, 26 January 2020. Read the rule
    • 22 January 2021 USHA Four-Wall Rules Unchanged automatic Read the rule
    • 22 January 2021 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, September 2020. Read the rule
    • 9 December 2021 USHA Four-Wall Rules Unchanged automatic Same words as USHA Four-Wall Rules, 22 January 2021. Read the rule
    • 23 January 2022 USHA Four-Wall Rules Unchanged automatic Read the rule
    • 23 January 2022 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, 22 January 2021. Read the rule
    • 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 Read the rule
    • 26 January 2024 USHA One-Wall Rules (American one-wall, small ball) Unchanged automatic Same words as USHA One-Wall Rules, 23 January 2022. Read the rule
    • 17 July 2024 American one-wall, small ball (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. Read the rule
    • 26 January 2025 USHA One-Wall Rulebook (American one-wall, small ball) Unchanged automatic Same words as American one-wall, small ball, 17 July 2024. Read the rule
    • 26 January 2025 USHA Three-Wall Addendum (American three-wall) Unchanged automatic Same words as USHA Three-Wall Addendum, 22 January 2017.

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