Miss. Code Ann. § 75-24-203

If a security freeze is in place, a consumer reporting agency shall notify the consumer in writing of a change in the consumer’s file retained by the consumer reporting agency to the consumer’s name, date of birth, social security number, or address not later than thirty (30) calendar days after the date the change is made. The agency shall send notification of a change of address to both the new address and former address of the consumer. This section does not require notice of an immaterial change, including a street abbreviation change or correction of a transposition of letters or misspelling of a word.