32 CFR 806.10 - Records management.
Keep records that were fully released for 2 years and denied records for 6 years. Include in the 6-year record file copies of records or parts of records that were released in response to the same request. Refer to Air Force Manual (AFMAN) 37-139, Records Disposition Schedule (converting to AFMAN 33-339, see § 806.9(b)). The functional OPR or FOIA office may keep the records released or denied. The FOIA office keeps the FOIA case file for each request. The FOIA case file consists of: the initial request; tasking to OPRs; OPR's reply; memoranda for record (MFR) of phone calls or other actions related to the FOIA request; DD Forms 2086, Record of Freedom of Information (FOI) Processing Cost, or 2086-1, Record of Freedom of Information (FOI) Processing Cost for Technical Data; final response; and any of the following, if applicable: extension letter; legal opinions; submitter notification letters and replies; the appeal and required attachments (except for the released or denied records if maintained by the OPR); and all other correspondence to and from the requester.