All records for which title has been transferred to the Mississippi Department of Archives and History shall be open for public use at a reasonable time and place under rules and regulations adopted by the Board of Trustees of the Mississippi Department of Archives and History with the exception of those records specifically prohibited from being opened to inspection by state law, federal law, court order, by contractual agreement with a private third party or by agency request consistent with law. Records such as income tax returns, medical records, scholastic records, adoption records and other records which by law are required to be closed to the public shall not be deemed to be made open to the public under the provisions of this chapter, nor shall the definition of public records include those records which it is shown that the public interest is best served by not disclosing to the public. For purposes of records management closed and restricted records may be disposed of in accordance with the provisions of this chapter for the disposal of public records.