DSL Rules / Regeln: DSL Regeln 2020
Official WBSC Slow Pitch Softball Rules / Offizielle WBSC Slow Pitch Softball Regeln (englisch): WBSC Slow Pitch Softball Rules
BONUS: All teams need to provide two umpires for a game from time to time so here is the Official WBSC Slow Pitch Softball 2 Umpires System Field Mechanics Manual to give you a little assistance for this important and exciting job: WBSC Umpiring Manual