(a) Exempt systems of record. All systems of records maintained by the NGA and its components shall be exempt from the requirements of 5 U.S.C. 552a(d) pursuant to 5 U.S.C. 552a(k)(1) to the extent that the system contains any information properly classified under Executive Order 12958 and that is required by Executive Order to be withheld in the interest of national defense or foreign policy. This exemption is applicable to parts of all systems of records, including those not otherwise specifically designated for exemptions herein, which contain isolated items of properly classified information.