Miss. Code § 29-1-119
Where the records of the land office or any office in the state show that full payment was made for any of the lands which were described in the act approved March 2, 1875, and which were leased under the authority of said act by the secretary of state on December 18, 1875, for ninety-nine (99) years from that time, the land commissioner, on application of the lessee or persons holding under him and the payment of the fee prescribed for such patents, shall issue to such lessee a patent which shall vest in him or his heirs, devisees, or assigns title for the unexpired time of such lease to such lands as prescribed by said act of March 2, 1875, and shall inure to the person entitled under the said lease, whether he be living or dead.
Miss. Code § 29-1-119