ORS 198.755: Number of signatures required.

(1) A petition for formation shall be signed by not less than: (a) Fifteen percent of the electors or 100 electors, whichever is the greater, registered in the territory subject to the petition; or (b) Fifteen owners of land or the owners of 10 percent of the acreage, whichever is the greater number of signers, within the territory subject to the petition. (2) A petition for annexation shall be signed by not less than: (a) Fifteen percent of the electors or 100 electors, whichever is the lesser, registered in the area proposed to be annexed; or (b) Fifteen owners of land or the owners of 10 percent of the acreage, whichever is the greater number of signers, within the area proposed to be annexed. (3) A petition for withdrawal shall be signed by not less than: (a) Fifteen percent of the electors or 100 electors, whichever is the lesser, registered in the district; or (b) Fifteen owners of land or the owners of 10 percent of the acreage, whichever is the greater number of signers, within the district. (4) A petition for merger and a petition for consolidation shall be signed by not less than: (a) Fifteen percent of the electors or 100 electors, whichever is the lesser, registered in each district which it is proposed to merge or consolidate; or (b) Fifteen owners of land in each district or the owners of 10 percent of the acreage located in each district, whichever is the greater number of signers. (5) A petition for dissolution shall be signed by not less than: (a) Fifteen percent of the electors registered in the district; or (b) Owners of 15 percent of the acreage within the district. [1971 c.727 §15; 1973 c.117 §1; 1983 c.83 §9]