Mississippi Code
Affidavit Ballots and Challenged Ballots
§ 23-15-575. Who may vote in primary election

No person shall vote or attempt to vote in the primary election of one (1) party when he or she has voted on the same date in the primary election of another party. No person shall vote or attempt to vote in the second primary election of one (1) party when he or she has voted in the first primary election of another party.