See requirements in chapter 296-880 WAC, Unified safety standards for fall protection.
Wash. Admin. Code § 296-307-25042
97-09-013, recodified as § 296-307-25042, filed 4/7/97, effective 4/7/97. Statutory Authority: RCW 49.17.040,[49.17.]050 and [49.17.]060. 96-22-048, § 296-306A-25042, filed 10/31/96, effective 12/1/96.