Indiana Code Title 3. Elections § 3-10-10-5

Sec. 5.  The circuit court clerk or board of registration shall mail a copy of the affidavit to any voter who requests a copy not later than five (5) days before election day.  If the voter returns the affidavit to the office of the clerk or board before the day of the general election, the affidavit shall be processed as if the affidavit had been executed in the office.