Indiana Code Title 3. Elections § 3-7-39-6

Sec. 6. (a) A voter who has changed residence from the county in which the voter is registered to another county must give the voter's most recent previous address, listed on a form prescribed under this article.

(b) Completion of the form constitutes an authorization of cancellation of registration in each county of previous residence listed on the form.

(c) This subsection applies to a county that has adopted an order under IC 3-7-29-6 or is a vote center county under IC 3-11-18.1-1.  A voter described in subsection (a) may make a written affirmation of the voter's change of residence on election day using the affidavit described by IC 3-10-11-4.  If the voter makes an oral affirmation under this subsection, the poll clerks shall reduce the substance of the affirmation to writing using the affidavit described by IC 3-10-11-4 and initial the affirmation.