Whenever the boundaries or proposed boundaries of a district include or are proposed to include by means of formation, annexation, transfer, withdrawal, consolidation, or merger, territory in more than one county:
(1) All duties delegated by this title to officers of the county in which the district is located shall be delegated to the officers of the county in which the largest land area of the district is located, except that elections shall be conducted pursuant to general election law;
(2) Actions subject to review and approval under RCW
57.02.040 shall be reviewed and approved only by the officers or boundary review board in the county in which such actions are proposed to occur;
(3) Verification of voters' signatures shall be conducted by the county auditor of the county in which such signators reside; and
(4) Comprehensive plan review and approval or rejection by the respective county legislative authorities under RCW
57.16.010 shall be limited to that part of such plans within the respective counties.