| USA Softball Mark Memorandum |  | 4/15/2019 |
| Rule 8 Lookback Rule |  | 12/22/2020 |
| Rule 7 Batting Out of Order | | 2/25/2021 |
| Rule 7 Batter | | 12/22/2020 |
| Rule 5 Dead Ball andSuspension of Play | | 12/22/2020 |
| Rule 4 Pre-Game and Post-Game | | 12/22/2020 |
| Rule 3 Substitutes DP Flex Illegal Subs-New Lineup Card | | 12/22/2020 |
| PIAA 3 and 4 Person Mechanics | | 4/15/2021 |
| PIAA 2 Person Mechanics System | | 1/22/2020 |
| NFHS-PIAA 3 and 4 man Umpire System | | 5/1/2024 |
| NFHS Softball Weekly Rule Interpretations March 18, 2026 | | 3/18/2026 |
| NFHS Softball Pitching Videos | | 2/15/2024 |
| NFHS Softball DP-Flex Strategies 2019 | | 1/22/2020 |
| NFHS Softball DP-Flex Rule Overview 2020 |  | 1/22/2020 |
| NFHS Softball Ball Specifications | | 1/9/2023 |
| NFHS Q-Collar Device Approval | | 2/14/2023 |
| NFHS Pitching Revolutions Memo | | 2/18/2020 |
| NFHS DP-FLEX Overview & Exercise | | 4/8/2024 |
| Lightning Safety | | 2/1/2017 |
| 2026 Softball Preseason Bulletin | | 2/5/2026 |
| 2026 Softball Bulletin 7 - New! | | 5/13/2026 |
| 2026 Softball Bulletin 6 - New! | | 5/5/2026 |
| 2026 Softball Bulletin 5 | | 4/16/2026 |
| 2026 Softball Bulletin 4 | | 4/8/2026 |
| 2026 Softball Bulletin 3 | | 3/13/2026 |
| 2026 Softball Bulletin 2 Correction | | 3/13/2026 |
| 2026 Softball Bulletin 2 | | 3/10/2026 |
| 2026 Softball Bulletin 1 | | 2/17/2026 |
| 2026 Pre-Season Softball Umpires' Clinic | | 2/13/2026 |
| 2026 NFHS Softball Weekly Rule Interpretations March 25 | | 3/25/2026 |
| 2026 NFHS Softball Weekly Rule Interpretations April 8 | | 4/13/2026 |
| 2026 NFHS Softball Weekly Rule Interpretations April 29 - New! | | 4/30/2026 |
| 2026 NFHS Softball Weekly Rule Interpretations April 1 | | 4/1/2026 |
| 2026 NFHS Softball Rule Interpretations March 11 | | 3/11/2026 |
| 2026 NFHS Softball Rule Interpretations April 22 - New! | | 4/22/2026 |
| 2026 NFHS Softball Rule Interpretations April 15 | | 4/15/2026 |
| 2026 NFHS Softball Rule Interpretations | | 2/9/2026 |
| 2025 Softball Preseason Bulletin | | 1/27/2025 |
| 2025 Softball Bulletin 6 | | 5/27/2025 |
| 2025 Softball Bulletin 5 | | 4/16/2025 |
| 2025 Softball Bulletin 4 | | 4/14/2025 |
| 2025 Softball Bulletin 3 | | 3/14/2025 |
| 2025 Softball Bulletin 2 | | 3/14/2025 |
| 2025 Softball Bulletin 1 | | 4/7/2025 |
| 2025 Pre-Season Softball Umpires' Clinic | | 1/9/2025 |
| 2025 NFHS Softball Weekly Rule Interpretations - April 21 | | 4/23/2025 |
| 2025 NFHS Softball Rule Interpretations May 5 | | 5/6/2025 |
| 2025 NFHS Softball Rule Interpretations May 12 | | 5/13/2025 |
| 2025 NFHS Softball Rule Interpretations March 31 | | 4/1/2025 |
| 2025 NFHS Softball Rule Interpretations March 24 | | 3/31/2025 |
