D.C. Mun. Regs. tit. 23, § 1717
1717.1 No document or other information shall be accepted for the record after the close of a hearing except as follows:
1717.2 The Board shall afford parties an opportunity to file Proposed Findings of Fact and Conclusions of Law within thirty (30) calendar days after receipt of the transcript from the hearing. The Board may, in its discretion, grant an extension to file Proposed Findings of Fact and Conclusions of Law for good cause. An extension granted by the Board shall not exceed twenty (20) calendar days after the initial deadline.
1717.3 [Repealed].
1717.4 [Repealed].
1717.5 A copy of the Proposed Findings of Fact and Conclusions of Law shall be served on each party.
1717.6 Proposed Findings of Fact and Conclusions of Law shall be limited to the record and refrain from including new legal issues or evidence not previously raised at the hearing.
SOURCE: The Alcoholic Beverage Control Board Rules of Procedures Amendments of 1980, effective March 5, 1981 (D.C. Law 3-146; 27 DCR 4753 (October 31, 1980)); as amended by Final Rulemaking published at 35 DCR 4947 (June 24, 1988); Final Rulemaking published at 51 DCR 4309 (April 30, 2004); as amended by Final Rulemaking published at 55 DCR 12991 (December 26, 2008 – Part 2); as amended by Final Rulemaking published at 64 DCR 1357 (February 10, 2017); as amended by Final Rulemaking published at 66 DCR 1822 (February 8, 2019).