D.C. Mun. Regs. tit. 17, r. 17-309
Application for a license to engage in a business or occupation covered by this chapter shall be filed with the Department of Consumer and Regulatory Affairs (also referred to in this chapter as the "Department") in writing on a form provided by the Department.
The application and examination fee set forth in § 309.3 shall be paid before any license examination is conducted.
The examination and annual license fees for each class of license shall be the following:
Each applicant shall furnish with the application two (2) recent identical photographs of the applicant, one by one and one-half inches (1"x 1 1/2") in size.
The application for a contractor's license shall include the name of the local officer or manager representing the contractor, and the master air conditioning and refrigeration mechanic who will be responsible for the performance of the work done by the person, firm, or corporation to which the license is issued.
Applications for a license shall be sworn to before a Notary Public.
An applicant who has successfully passed the examination, and who has the qualifications and fitness to engage in a business or occupation under this chapter, shall be notified by the Director of the approval of his or her application.
After having been notified that he or she has successfully passed the license examination, the applicant shall file a bond, if a bond is required under this chapter.
D.C. Mun. Regs. tit. 17, r. 17-309