D.C. Mun. Regs. tit. 29, § 2804
2804.1 A delayed certificate of birth shall be acceptable for filing if the name of the registrant and the date and place of birth to be entered on the document are supported as follows:
2804.2 Facts of parentage shall be supported by at least one (1) document other than an affidavit of personal knowledge. Support may be provided by one (1) of the documents described in § 2804.1.
SOURCE: Final Rulemaking published at 38 DCR 781, 785 (January 25, 1991).