IC 3-10-1-6: Eligible voters

Sec. 6. A voter may vote at a primary election:

(1) if the voter, at the last general election, voted for a majority of the regular nominees of the political party holding the primary election; or

(2) if the voter did not vote at the last general election, but intends to vote at the next general election for a majority of the regular nominees of the political party holding the primary election;

as long as the voter was registered as a voter at the last general election or has registered since then.