The Washington state historical society is authorized by chapter 27.34 RCW to adopt rules under the provisions of the Administrative Procedure Act, chapter 34.05 RCW.
Wash. Admin. Code § 255-01-020
Statutory Authority: RCW 43.17.250. 98-07-071, § 255-01-020, filed 3/17/98, effective 4/17/98.