D.C. Mun. Regs. tit. 11, r. 11-K507
The use permissions in this section include uses permitted as a matter of right, as a special exception, and as an accessory use; and uses not permitted.
Use permissions for the CG-1 through CG-7 zones are as specified in the following table:
TABLE K § 507.2: CG-1 THROUGH CG-7 USE PERMISSIONS
| Zone | Subtitle/Chapter | Use Group |
| CG-1 | Subtitle U, Chapter 4 | RA |
| CG-2 | Subtitle U, Chapter 5 | MU-Use Group E |
| CG-3 | Subtitle U, Chapter 5 | MU-Use Group F |
| CG-4 | Subtitle U, Chapter 5 | MU-Use Group G |
| CG-5 | Subtitle U, Chapter 5 | MU-Use Group C |
| CG-6 | Subtitle U, Chapter 5 | MU-Use Group C |
| CG-7 | Subtitle U, Chapter 5 | MU-Use Group C |
Buildings, structures and uses with frontage on the designated streets of Subtitle K § 508 shall provide specified ground floor uses in accordance with the requirements and provisions of Subtitle K § 509.
A commercial or industrial use that is first permitted in Subtitle U, Chapter 8 (PDR Uses) and that was in existence with a valid Certificate of Occupancy as of January 7, 2005 shall be deemed a conforming use, but shall not be entitled to expand.
D.C. Mun. Regs. tit. 11, r. 11-K507