Wash. Admin. Code § 230-15-140
(2) A player may make a single wager for each decision before the dealer deals or reveals additional cards. Wagers must be placed on the table layout on an approved betting spot, except for:
[Statutory Authority: RCW 9.46.070. WSR 23-18-019, § 230-15-140, filed 8/25/23, effective 9/25/23; WSR 21-11-057, § 230-15-140, filed 5/14/21, effective 6/14/21; WSR 08-20-025 (Order 631), § 230-15-140, filed 9/19/08, effective 1/1/09; WSR 07-09-033 (Order 608), § 230-15-140, filed 4/10/07, effective 1/1/08.]