Indiana Code Title 3. Elections § 3-11-13-38

Sec. 38. Each county chairman for either of the major parties in the county may petition the county election board for confirmation of the vote cast on a ballot card voting system no earlier than the Saturday before an election and no later than the Thursday after an election.  The petition may specify not more than five percent (5%) of the precincts or five (5) precincts, whichever is greater, in which a ballot card voting system was used for an audit under section 37 of this chapter.