Wash. Admin. Code § 230-10-075
A licensed bingo manager must be on the premises and supervising bingo operation during all hours bingo games are conducted, except bingo games conducted:
[Statutory Authority: RCW 9.46.070. WSR 18-05-029, § 230-10-075, filed 2/9/18, effective 7/1/18; WSR 07-10-033 (Order 610), § 230-10-075, filed 4/24/07, effective 1/1/08.]