Wash. Admin. Code § 230-16-180
Manufacturers must keep records that provide an accountability trail for all I.D. stamps.
(1) For I.D. stamps attached to gambling equipment and sold, manufacturers must keep the I.D. stamps records for at least three years and include, at least:
[Statutory Authority: RCW 9.46.070. WSR 18-08-056, § 230-16-180, filed 3/30/18, effective 7/1/18; WSR 07-19-069 (Order 615), § 230-16-180, filed 9/17/07, effective 1/1/08.]