For more information on national sports rules changes, please visit www.nfhs.org

The NFHS has been informed by the NCAA that the BBCOR decertification process has been implemented for the Reebok Vector TLS 32-inch model and 33-inch model baseball bat. Effective immediately and until further notice, this bat (32" and 33" lengths only) should be considered a non-compliant bat and subject to NFHS Baseball Rules 4-1-3b and 7-4-1a. Please inform your schools and local officials associations of this action.

The NFHS has been informed by the NCAA that the BBCOR decertification process has been implemented for the Marucci CAT5 33-inch model baseball bat. Effective immediately and until further notice, this bat (Marucci CAT5 33" length) should be considered a non-compliant bat and subject to NFHS Baseball Rules 4-1-3b and 7-4-1a. 

Memo re: 2nd Clarification of the Warstic Bonesaber’s -3 Baseball Bat Compliancy w/photos

Memo re: Warstic Bonesaber -3 non-wood baseball bat 3.20.24

Memo re: Decertification of Stinger Missile II Bat 8.25.22

NFHS DH Rules Simplified

2024 Rule Changes / 2024 Coach & Umpire Memo

2023 Rule Changes / 2023 Rule Interpretations Points of Emphasis

2022 Rule Changes / 2022 Points of Emphasis / 2022 Coaches/Umpires Baseball Rule Interpretations, Points of Emphasis

2021 Rule Changes / 2021 Coach & Umpire Memo

2020 Rule Changes /2020 Coaches/Umpires Baseball Rule Interpretations, Points of Emphasis / Understanding 3-1-4

2019 Rule Changes / 2019 Coach and Umpire Memo

2018 Rule Changes / 2018 Rule Interpretations

2017 Rule Changes / 2017 Umpire & Coach Memo

2016 Rules Memo / 2016 Rule Interpretations

NEW 2015 CIF Bylaw - Protective Helmet Required for ALL Adult Base Coaches