Wash. Rev. Code § 23.100.0302
(1) Except as provided in RCW 23.100.0301(1) and 23.100.0305(6), the organic rules of a limited cooperative association may be amended only at a members meeting. An amendment may be proposed by either:
(2)
(b) Subject to RCW 23.100.0408 and 23.100.0419, not later than thirty days following the proposal of the amendment by the board or receipt of a petition, the board must mail or otherwise transmit or deliver in a record to each member:
[ 2019 c 37 s 302.]