Wash. Rev. Code § 52.04.141
Any attempted annexation in 1987 and thereafter by a fire protection district of contiguous territory, that is located in a county other than the county in which the fire protection district was located, is validated where the annexation would have occurred if the territory had been located in the same county as the fire protection district. The effective date of such annexations occurring in 1987 shall be February 1, 1988, for purposes of establishing the boundaries of taxing districts for purposes of imposing property taxes as provided in RCW 84.09.030.
Any reference to a county official of the county in which a fire protection district is located or proposed to be located shall be deemed to refer to the appropriate county official of each county in which the fire protection district is located or proposed to be located.
RCW 52.04.141
Purpose-Severability-1988 c 274: See notes following RCW 84.52.010.