When a holiday falls on Saturday, the preceding Friday is observed as the nonworking or legal holiday. When a holiday falls on Sunday, the following Monday is observed as the nonworking or legal holiday.
Wash. Admin. Code § 357-31-040
Statutory Authority: Chapter 41.06 RCW. 05-08-136, § 357-31-040, filed 4/6/05, effective 7/1/05.