Wash. Rev. Code § 52.26.080
(1) The board shall adopt rules for the conduct of business. The board shall adopt bylaws to govern authority affairs, which may include:
(3)
(a) A regional fire protection service authority plan may create one or more regional fire protection service authority commissioner positions to serve on a governing board. The following provisions define the qualifications, compensation, terms, and responsibilities of regional fire protection service authority commissioner positions:
(4)
(b) Commissioner districts shall be used as follows:
[ 2011 c 141 s 3; 2004 c 129 s 8.]