Every city, town, and district is liable for its proportionate share of the costs when such elections are held in conjunction with other elections held under RCW 29A.04.321 and RCW 29A.04.330.
Whenever any city, town, or district holds any primary or election, general or special, on an isolated date, all costs of such elections must be borne by the city, town, or district concerned. See also RCW 29A.04.410
The expense of all such elections shall be paid for out of the funds of such district. See also RCW 57.24.050