authority
The D.C. Office of Planning and the Historic Preservation Review Board, pursuant to the authority set forth in section 10 of the Historic Landmark and Historic District Protection Act of 1978, effective March 3, 1979, (D.C. Law 2-144; D.C. Official Code § 6-1109), Mayor’s Order 79-50, dated March 21, 1979, section 6 of Mayor's Order 83-119, dated May 6, 1983, section III(B)(8) of Reorganization Plan No. 1 of 1983, effective March 31, 1983, and section 402(b) of the Fiscal Year 2001 Budget Support Act of 2002, effective October 19, 2000 (D.C. Law 12-172; 47 DCR 6308).
source
Notice of Final Rulemaking published at 57 DCMR 2281, 2297 (March 19, 2010); as corrected by Errata Notice published at 58 DCR 11084, 11094 (December 23, 2011).