Miss. Code Ann. § 43-1-21

The state board of public welfare may, in its discretion, destroy or cause to be destroyed, or otherwise disposed of, any and all abandoned applications, closed case files, communications, information, memoranda, records, reports, paid checks, and files, in the office of the state department of public welfare when and as they become three (3) or more completed fiscal years old and which, in the opinion of the state board of public welfare, are no longer useful or necessary.