28 C.F.R. § 802.19
(a) The system manager may grant or deny requests for correction of agency records. One basis for denial may be that the records are contained in an agency system of records that has been published in the Federal Register and exempted from the Privacy Act provisions allowing amendment and correction.
(3) The General Counsel will review your request within 30 days from the date of receipt. However, for a good reason, this time limit may be extended. If, after review, the General Counsel determines that the record should be corrected, the record will be corrected. If, after review, the General Counsel refuses to amend the record exactly as you requested, we will inform you: