Wash. Admin. Code § 230-10-315
Bingo operator must purchase gift certificates from a commercial printer or licensed distributor.
(1) The gift certificates must have at least the following information printed on them:
(2) Purchase invoices for the gift certificates, which must include, at least:
[Statutory Authority: RCW 9.46.070. WSR 07-10-033 (Order 610), § 230-10-315, filed 4/24/07, effective 1/1/08.]