WAC 461-08-560. Deadline for the board to issue final decision on petitions for review of permitting decisions. Waivers and extensions of deadline

(1) The board shall, pursuant to RCW 90.58.180 , issue a final decision on petitions for review arising out of the granting, denying or rescinding of a permit within one hundred eighty days of the following: (a) The date the petition for review is filed; or (b) The date a motion to intervene is filed by the department or the attorney general, whichever is later. (2) The parties may agree to waive the one hundred eighty-day deadline. (3) The board may, on its own motion, extend the deadline for thirty days after determining that good cause exists for the extension.