Umpires

Current Year Links

Softball Rules Changes – 2026

NCSA Division I Rules – 2025-2026

Softball Points of Emphasis – 2026

Softball Rules Interpretations – 2026

Current Unified Softball Rules

Registration/Onboarding Links

MASO Registration Form 2026

MASO Independent Contractor Form 2026

BCPS Fingerprinting Instructions 2026

Umpire Tips

NFHS Website: Softball Resources

2026 NFHS Virtual Case Book Index

2026 NFHS DP FLEX

NFHS Softball Pitching Videos

Rule 3 PowerPoint – Substitutes and Lineup Card

Three Man Mechanics

Softball Signal Chart

Softball Videos

Uniforms and Equipment Links

List of Umpire Uniform/Equipment Providers

Ump-Attire

MASO Softball Uniform_2014

General Links

Arbiter – Login Page

DragonFly

Additional Rules/Policies/Procedures Links

MD Tiebreaker Procedure

DP/FLEX Rule

Guidelines for Post Season Games

MPSSAA Officials Ejection Reporting Form

MASO Softball Umpire Evaluation Form

MPSSAA Softball Attendance Form

ALLIED Softball Rules

Lightning Policy

Current Non-Approved Bat List

Lineup Card

Tax Forms/Payments Links

Form W-9

Lack of Payment Form

Baltimore City 2018 Payment Form

MASO Executive Board Links

MASO Constitution

MASO Bylaws

Prior Year Links

2025 Conference Alignments

2025 Rules by Leagues

2025 NFHS Softball Rules Changes

2024-2025 NCSA Division I Rules and Regulations

Softball Umpire Incident Report

2024 Conference Alignments

2023 Rule Changes