36 C.F.R. § 1250.74
(a) We respond to your appeal within 20 working days after the appeal official designated in 36 CFR 1250.72(a)(1)(i) and (ii) receives it. NARA has adopted the practice of generally handling backlogged appeals on a first-in, first-out basis.
(c) We also inform you that OGIS offers dispute resolution services to resolve disputes between FOIA requesters and Federal agencies as a non-exclusive alternative to litigation. Dispute resolution is a voluntary process. If we agree to participate in the dispute resolution services provided by OGIS, we will actively engage as a partner to the process in an attempt to resolve the dispute. You may contact OGIS in any of the following ways:
Office of Government Information Services, National Archives and Records Administration, 8601 Adelphi Road—OGIS, College Park, MD 20740, ogis.archives.gov, Email: ogis@nara.gov, Telephone: 202-741-5770, Facsimile: 202-741-5769, Toll-free: 1-877-684-6448.
[79 FR 56504, Sept. 22, 2014, as amended at 82 FR 8902, Feb. 1, 2017]