D.C. Code § 44-421: Rules.

The SHPDA shall, in accordance with subchapter I of Chapter 5 of Title 2, issue proposed rules to implement the provisions of this chapter. The proposed rules shall be submitted to the Council for a 45-day period of review, excluding Saturdays, Sundays, legal holidays, and days of Council recess. If the Council does not approve or disapprove the proposed rules within the 45-day period, the proposed rules shall be deemed approved.