Mississippi Code Title 63. Motor Vehicles and Traffic Regulations § 63-21-261

(1) The owner of a motor vehicle may designate a sole beneficiary to whom the owner's interest in the vehicle transfers on the owner's death as provided by this article, by submitting an application for title with the designation. To be effective, the designation must state that the transfer of an interest in the vehicle to the designated beneficiary is to occur at the transferor's death.

(2) The legal name of a beneficiary designated under this section must be included on the title.

(3) The department shall transfer title of a motor vehicle to a beneficiary designated under this section for the vehicle if the beneficiary submits:

(4) A beneficiary designation may be changed or revoked by submitting a new application for title.

(5) A beneficiary designation or a change or revocation of a beneficiary designation made on an application for title of a motor vehicle that has not been submitted to the department before the death of a vehicle's owner or owners who made, changed, or revoked the designation, as applicable, is invalid.

(6) The Department of Revenue may adopt rules to administer this section.