Indiana Code Title 5. State and Local Administration § 5-4-1-4

(1) Of all officers whose oath is endorsed on or attached to the commission and whose duties are not limited to a particular county or of a justice, judge, or prosecuting attorney, in the office of the secretary of state.

(2) Of the circuit court clerk, officers of a political subdivision or school corporation, and constables of a small claims court, in the circuit court clerk's office of the county containing the greatest percentage of the population of the political subdivision or school corporation.

(3) Of a deputy prosecuting attorney or magistrate, in the office of the clerk of the circuit court of the county in which the deputy prosecuting attorney or magistrate resides or serves.