Umpires

Current Year Links

2025 Conference Alignments

2025 Rules by Leagues

Uniforms and Equipment Links

List of Umpire Uniform/Equipment Providers

Ump-Attire

General Links

Arbiter – Login Page

DragonFly

MASO Softball Umpire Evaluation Form

Softball Umpire Incident Report

MPSSAA Softball Attendance Form

MASO Softball Uniform_2014

Baltimore City 2017 Official’s Ejection Report (PDF)

Baltimore City 2017 Official’s Ejection Report (Word)

Lineup Card

Softball Videos

Three Man Mechanics

Current Non-Approved Bat List

Rules/Policies Links

MD Tiebreaker Procedure 2023

DP/FLEX Rule

Guidelines for Post Season Games

ALLIED Softball Rules

2023 Rule Changes

Lightning Policy

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

2024 Conference Alignments

2023 Rule Changes