In any county where a boundary review board, as provided in chapter
36.93 RCW, is not established, the approval of the proposed action shall be by the county legislative authority pursuant to RCW
57.02.040 and shall be final, and the procedures required to adopt such proposed action shall be followed as provided by law.
In any county where a boundary review board, as provided in chapter
36.93 RCW, is established, a notice of intention of the proposed action shall be filed with the boundary review board as required by RCW
36.93.090 and with the county legislative authority. The county legislative authority shall transmit to the boundary review board a report of its approval or disapproval of the proposed action together with its findings and recommendations under RCW
57.02.040. Approval by the county legislative authority of the proposed action shall be final and the procedures required to adopt the proposal shall be followed as provided by law, unless the boundary review board reviews the action under RCW
36.93.100 through
36.93.180. If the county legislative authority does not approve the proposed action, the boundary review board shall review the action under RCW
36.93.150 through
36.93.180. The action of the boundary review board shall supersede approval or disapproval by the county legislative authority.
Where a district is proposed to be formed, and where no boundary review board is established in the county, the hearings provided for in RCW
57.04.030 shall serve as the hearing provided for in this section and in RCW
57.02.040.