206.1 No side yard is required for a principal structure in a D zone; however, if a side setback is provided on any portion of the principal building, it shall comply with Subtitle B §§ 319 and 320, and shall be at least four feet (4 ft.) wide.

206.2 The Board of Zoning Adjustment may grant relief to the side yard requirements as a special exception pursuant to Subtitle X, Chapter 9.

206.3 The side yard regulations shall not apply to historic landmarks or contributing buildings within historic districts.

SOURCE: Final Rulemaking published at 63 DCR 2447, 3041 (March 4, 2016 – Part 2); as amended by Final Rulemaking published at 63 DCR 10932 (August 26, 2016).