Rule

Y.M.C.A. Four-Wall Rules · American four-wall

Rule 8 Fault

Historical rulebook: not the current rules. The current rules are here (USHA Four-Wall Rulebook, as of 26 January 2025).

A fault is a ball not served over the service line, or a ball served over the back or side lines. Two consecutive faults shall retire the server. A fault may be played or not at the receiver's discretion, but not after being called.

Mentioned here

How these ideas connect in this rule

together ×4together ×4together ×5together ×3together ×3together ×2together ×6together ×3Receiver actorServer actorFault serve actionServe actionService line placeSide lines placeBall thing

No link to the other terms shown: Fault serve, Side lines. 1 weaker link (terms mentioned together in few sub-rules) is not drawn.