The rules for the Softball Ulster League follow the adult co-ed slow pitch softball rules from the following sources (in the order specified). Click on the links below to access the relevant documents.
Softball Ulster Bylaws (2018) Locally agreed rules and regulations which supersede SI or WBSC rules (1).
Softball Ireland Bylaws The rules and regulations from our parent organisation (2).
World Baseball Softball Confederation Official Rules of Softball The primary rules and regulations of softball adopted by the European Softball Federation (ESF), Softball Ireland (SI) and Softball Ulster (SU) (3).