Miss. Code Ann. § 63-21-53: Miss. Code Ann. § 63-21-53

If a security interest in a previously registered vehicle is perfected under any other applicable law of this state as of August 9, 1968, and if a security interest in a previously registered manufactured home or mobile home is perfected under any other applicable law of this state as of July 1, 1999, the security interest continues perfected until its perfection lapses under the law under which it was perfected. This would apply only to vehicles, manufactured homes or mobile homes not required to be titled under this chapter.