Licensees must have numbered games stations with separate lock boxes and money paddles for each station. "Money paddle" means a wooden or plastic implement used to push money into the lock box slot.

(1) The money paddle must remain in the lock box slot whenever it is not in use. The money slot of the lock box must not exceed three and one-half inches in length and one-half inch in width; and

(2) Dealers must exchange all currency presented by the players for coin or chips and the dealer must immediately place it in the lock box; and

(3) Licensees must keep the keys to all lock boxes in the counting area at all times; and

(4) Only cashiers may open the lock boxes and they must open them only in the counting area.