A player takes a stance on the mat with the player’s toes protruding over the front edge of the mat. The bowl is delivered from this position without moving the rear foot back on to the mat.
Is he foot-faulting?
No. Before delivery a player must be standing on the mat with all or part of at least one foot on the mat. At the moment they deliver the jack or a bowl, the player must have all or part of one foot on or above the mat. Law 7.1
Having previously in the same game warned a player for foot faulting the umpire observes the player infringe for a second time. The umpire called for the bowl to be stopped but before this could be done it disturbs the head. What shall be done?
The opponent must choose whether to:-
(a) Replace the head, (b) Leave the head as altered, or (c) Declare the end dead. Law 8.3