Wash. Rev. Code § 82.32.062
(1) In addition to the procedure set forth in RCW 82.32.060 and as an exception to the four-year period explicitly set forth in RCW 82.32.060, an offset for a tax that has been paid in excess of that properly due may be taken under the following conditions:
[ 2020 c 139 s 38; 2002 c 57 s 1.]