RCW 27.12.010(2): "… a municipal corporation organized to provide library service for all areas outside of incorporated cities and towns within two or more counties: PROVIDED, that any city or town meeting the population requirements of RCW 27.12.360 may be included therein as provided in RCW 27.12.360 through 27.12.390.
See also RCW 27.12.110.
Any city or town with a population of 300,000 or less at the time of annexation may become a part of any intercounty rural library district lying contiguous to it by annexation as follows:
See also RCW 27.12.360.
Books, funds, and other property shall be divided among the participating counties as equitably as possible, determined by the state librarian, who gives consideration to such items as the original source of property, the amount of funds raised from each county by the district, and the ability of the counties to make further use of such property or equipment for library purposes. Printed material that will not be used by any of the participating counties for further library purposes shall be turned over to the state library.
See also RCW 27.12.320.
Library district may be dissolved after it has been in operation for 3 or more years provided that:
Note: Provisions are made for withdrawal from a library district as well as reannexation after an area has been withdrawn from the boundaries of a library district in RCW 27.12.355.
See also RCW 27.12.320.