D.C. Mun. Regs. tit. 3, § 2007
2007.1 When a requested record has been identified and is available, the Board shall notify the requester as to where and when the record is available for inspection or copies will be available. The notification shall also advise the requester of any applicable fees.
2007.2 A response denying a written request for a record shall be in writing and shall include the following information:
2007.3 If a requested record cannot be located from the information supplied or is known to have been destroyed or otherwise disposed of, the requester shall be so notified.
SOURCE: Final Rulemaking published at 46 D.C. Reg. 1191, 1195 (February 12, 1999).