Wash. Rev. Code § 2.04.250
(2) A retired judge of a court of record in this state serving as a judge pro tempore of the supreme court as provided in RCW 2.04.240 shall receive, in addition to any retirement pay he or she may be receiving, the following compensation and expenses:
[ 1997 c 88 s 2; 1982 c 72 s 2; 1981 c 186 s 1; 1963 c 40 s 2.]