Central Coast Softball ("CCS") maintains supplemental rules for softball that apply to the leagues run by PG, Carmel, Monterey, Seaside, Marina and Toro.
The foundational rulebook is maintained by USA Softball and can be found at https://www.usasoftball.com/official-rulebook/.
Supplemental Rules by Division (click the division title):
PRE-ROOKIE (8-UNDER)
ROOKIE (10-UNDER)
MINORS (12-UNDER)
MAJORS (14-UNDER)