D.C. Mun. Regs. tit. 16 § 800
No person shall require or accept any payment for a home improvement contract to be undertaken in the District in advance of the full completion of all work required to be performed under the contract, unless that person is licensed as a home improvement contractor or as a licensed salesperson employed by a licensed contractor in accordance with the provisions of this chapter.
The fee for a license as a home improvement contractor or home improvement salesperson shall be as that prescribed in the District license fee schedule approved by the Mayor.
No licensed home improvement contractor or salesperson shall hold himself or herself out or engage in business as a home improvement contractor or salesperson under any name other than the name appearing on his or her license; Provided, that nothing in this subsection shall prevent the use of a trade name if the name is contained in the license application and approved by the Director.
The Director shall not license any person to act as a salesperson for more than one (1) contractor at any one time.
No person shall include in any contract relating to home improvement work any provision waiving or purporting to waive any provision of this chapter. Any provision included in a contract which waives or purports to waive any provision of this chapter shall be void and of no effect.
Civil fines, penalties, and fees may be imposed as alternative sanctions for any infraction of this chapter pursuant to titles I-III of the Department of Consumer and Regulatory Affairs Civil Infractions Act of 1985. Adjudication of any infraction of this chapter shall be pursuant to titles I-III of the Department of Consumer and Regulatory Affairs Civil Infractions Act of 1985.
Any person who violates any provision of this chapter shall, upon conviction be punished by a fine not exceeding three hundred dollars ($ 300) or by imprisonment for not more than ninety (90) days, or both.
D.C. Mun. Regs. Tit. 16, § 800