Indiana Code Title 36. Local Government § 36-5-1.1-7

(1) the petition requesting dissolution has not been signed by at least twenty-five percent (25%) of the voters;

(2) there are enough invalid signatures on the petition requesting dissolution to reduce the number of valid signatures to below twenty-five percent (25%) of the voters;

(3) at least twenty-five percent (25%) of the town's voters have signed a petition under section 5 of this chapter remonstrating against the dissolution;  or

(4) the town legislative body has passed a resolution opposing dissolution.