D.C. Mun. Regs. tit. 11-C, § 306
306.1 A new Alley Record Lot shall:
306.2 An Alley Record Lot may be combined with an abutting Alley Record Lot to create a larger Alley Record Lot without meeting the requirements of Subtitle C § 306.1.
306.3 An Alley Tax Lot recorded with the Office of Tax and Revenue prior to May 12, 1958, may be converted into an Alley Record Lot without meeting the requirements of Subtitle C § 306.1, if the Alley Tax Lot:
306.4 An Alley Tax Lot not meeting the requirements of Subtitle C §§ 306.1 through 306.3 that was recorded with the Office of Tax and Revenue prior to September 6, 2016, may be converted to an Alley Record Lot if approved by the Board of Zoning Adjustment as a special exception under Subtitle X, Chapter 9, and subject to the following requirements:
(a) The Alley Tax Lot connects to an improved public street through an improved alley or system of alleys that provides adequate public safety; and infrastructure availability; and
(b) The Office of Zoning shall refer the application to the following agencies for their review and recommendation, if filed to the case record within the forty (40) day period established by Subtitle A § 211:
(1) Department of Transportation (DDOT);
(2) Department of Public Works (DPW);
(3) Metropolitan Police Department (MPD);
(4) Fire and Emergency Medical Services Department (FEMS);
(5) DC Water (WASA) and
(6) If a historic district or historic landmark is involved, the Historic Preservation Office (HPO).
SOURCE: Final Rulemaking published at 67 DCR 12690 (October 30, 2020).