Indiana Code Title 5. State and Local Administration § 5-8-1-15

Sec. 15. Whenever articles of impeachment against any officer subject to impeachment are presented to the senate, such officer is temporarily suspended from office and cannot act in the officer's official capacity until the officer is acquitted.  Upon such suspension of any officer other than the governor, the office must, at once, be temporarily filled by an appointment made by the governor, with the advice and consent of the senate, until the acquittal of the party impeached, or, in case of removal, until the vacancy is filled as required by law.