Wash. Admin. Code § 292-100-080
(1) During the course of an investigation, the board, or the executive director may issue subpoenas to persons to appear and give testimony, and may require the production of any books, papers, correspondence, memoranda, or other records deemed relevant or material to the investigation. The subpoena must:
[Statutory Authority: RCW 42.52.360. WSR 21-24-094, § 292-100-080, filed 12/1/21, effective 1/1/22. Statutory Authority: RCW 42.52.360 (2)(b) and 42.52.425. WSR 01-13-033, § 292-100-080, filed 6/13/01, effective 7/14/01. Statutory Authority: RCW 42.52.360 (2)(b). WSR 99-06-073, § 292-100-080, filed 3/2/99, effective 4/2/99. Statutory Authority: Chapter 42.52 RCW and RCW 42.52.360 (2)(b). WSR 96-22-028, § 292-100-080, filed 10/30/96, effective 11/30/96.]