28 Miss. Code. R. 301-9.6
If the Request seeks documents which are exempt from disclosure pursuant to Mississippi Code Annotated §§ 25-61-9, 25-61-11, 25-61-12 or otherwise, the Port shall promptly notify the requesting party in writing that the exempt documents shall not be produced and shall state the specific reasons for the denial. If the Public Records subject to a Request contain both exempt and nonexempt material, the Port shall redact all exempt portions of the Public Records and make the nonexempt portions available for inspection or copying, as appropriate. The Port shall maintain a file of all denials of requests for public records and preserve such denials for three (3) years from the date of each denial, which shall be available for inspection and copying upon written request.
28 Miss. Code. R. 301-9.6