D.C. Mun. Regs. tit. 16, r. 16-604
Each applicant for a consumer goods repair dealer or supervisory inspector license shall file with the Department, on a form provided by the Department, an application for licensure.
Each applicant for a consumer goods repair dealer license shall, in addition, submit to the Department a copy of the "written estimate" and "final bill" forms required by §§ 633 and 637.
If there is a change in any information submitted to the Department pursuant to this title, the applicant shall furnish new, corrected information to the Department within twenty (20) days of the change.
Each application for a consumer goods repair dealer or supervisory inspector license, or for renewal of a license, shall be accompanied by the required license fee, as set by the Mayor pursuant to § 600.
D.C. Mun. Regs. tit. 16, r. 16-604