36 CFR § 1250.70
When may I appeal NARA's FOIA determination?
November 4, 2020
You may appeal when there is any adverse determination, including:
(a) Refusal to release a record, either in whole or in part;
(b) Determination that a record does not exist or cannot be found;
(c) Determination that the record you sought was not subject to the FOIA;
(d) Denial of a request for expedited processing;
(e) Denial of a fee waiver request; or
(f) Fee category determination.