Wash. Admin. Code § 381-20-060
(1) If a client requests disclosure to a representative, this request must be accompanied by a written release signed by the client, except that as an accommodation to the client, and if the legislator or attorney representing the client can provide assurance that the client has authorized disclosure, the client's record may be briefly discussed with that legislator or attorney so long as there is neither physical inspection nor copying of client records by that representative. A written release must also include:
[Statutory Authority: RCW 34.05.220 (1)(b) and 42.17.250. WSR 91-14-028, § 381-20-060, filed 6/26/91, effective 7/27/91.]