D.C. Mun. Regs. tit. 11, § 2519
2519.1 The 'Directory of Public and Private Community-Based Residential Facilities,' prepared by the Office of Planning, updated through July 9, 1981, shall be used to determine if there are any other community-based residential facilities located in the same square or within a specified distance of a proposed community-based residential facility, whenever these regulations require that this determination be made. The Directory may be updated from time to time by the Zoning Administrator.
SOURCE: 7617 of the Zoning Regulations, adopted pursuant to Final Rulemaking published at 28 DCR 3506 (August 7, 1981); as renumbered by Final Rulemaking published at 36 DCR 5847, 5851 (August 11, 1989); and amended by Final Rulemaking published at 47 DCR 9741-43 (December 8, 2000), incorporating by reference the text of Proposed Rulemaking published at 47 DCR 8335, 8532 (October 20, 2000).