Ind. Code § 3-12-6-4

Sec. 4. A candidate who is nominated or elected to an office at an election on the face of the election returns may file a verified cross-petition for a recount no later than noon twenty-one (21) days after election day. If a petition for a recount is filed for an office for which voters in more than one (1) county vote, a cross-petition for a recount may be filed in a county other than the one in which the first petition was filed.