After a petition proposing an annexation by a code city has been filed with the city or the city legislative authority, or after a resolution proposing the annexation by a code city has been adopted by the city legislative authority, no territory included in the proposed annexation may be annexed by another city or town or incorporated into a city or town unless:
RCW 35A.14.231
Effective date-1994 c 216: See note following RCW 35.02.015.