D.C. Code § 28:2A-104
§ 28:2A-104. Leases subject to other law.
(a) A lease, although subject to this article, is also subject to any applicable:
(1) Certificate of title statute of the District;
(2) Certificate of title statute of another jurisdiction ( § 28:2A-105 ); or
(3) Consumer protection statute of the District, or final consumer protection decision of a court of the District existing on the effective date of this article.
(b) In case of conflict between this article, other than §§ 28:2A-105 , 28:2A-304(c) , and 28:2A-305(c) , and a statute or decision referred to in subsection (a) of this section, the statute controls.
(c) Failure to comply with an applicable law has only the effect specified therein.