The below linked rules are from Spring 2018. These will be updated before the 2019 season. However, reading last year's rules can provide a good starting point for understanding this year's rules.
- Last updated: March 27th, 2018 to clarify the game duration as two 40 minute halves in both the 16U and 19U age divisions.
- Updated: March 14th, 2018 to improve consistency of referee game reporting requirements, plus other minor textual cleanups.
- Updated: February 27th, 2018 to incorporate AYSO's adoption of calendar birth year definitions and Player Development Initiatives, to improve consistency in upper division substitution rules, and to change the address for retrieving ids after red-card dismissals.