36 CFR § 1202.64
How do I appeal a denial of disclosure?
November 4, 2020
(a) Your request for a review of the denial of disclosure to records maintained by the Office of the Inspector General must be addressed to the NARA Privacy Act Appeal Officer (N), National Archives and Records Administration, Room 4200, 8601 Adelphi Rd., College Park, MD 20740-6001.
(b) Requests for a review of a denial of disclosure to all other NARA records must be addressed to the NARA Privacy Act Appeal Officer (ND), National Archives and Records Administration, Room 4200, 8601 Adelphi Rd., College Park, MD 20740-6001.