Wash. Admin. Code § 296-800-23040
(1) You must make sure employees are not allowed to eat and drink in:
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 18-22-116, § 296-800-23040, filed 11/6/18, effective 12/7/18; WSR 03-18-090, § 296-800-23040, filed 9/2/03, effective 11/1/03.]