to replace injured players, replace players with illegal equipment (7.D.3), or to resolve an incorrect personnel violation (9.B.3.a). In this case, the opposing team may substitute a like number of, or fewer, players.
USAU 2020-21 Rules
8.A.1
after a goal and before the substituting team has signaled readiness; or
USAU 11th Edition Rules
7.A.1
after a goal and before the substituting team has signaled readiness; or