Wash. Admin. Code § 230-10-385
Bingo licensees must account for all income from bingo games at the time they receive the income. Licensees must issue each player a receipt for the amount paid to play in each game or set of games at the time of payment. Players must keep this receipt to prove that they have properly purchased the number of cards they are playing.
(2) Licensees with gross gambling receipts over one hundred fifty thousand dollars in their previous license year must use the receipting method for bingo income required for the bingo games they are offering:
[Statutory Authority: RCW 9.46.070. WSR 18-05-029, § 230-10-385, filed 2/9/18, effective 7/1/18; WSR 07-10-033 (Order 610), § 230-10-385, filed 4/24/07, effective 1/1/08.]