D.C. Mun. Regs. tit. 16, § 606
606.1 The Board may deny an application for a consumer goods repair dealer or supervisory inspector license, or the renewal of a license, if it finds that the applicant:
(a) Has failed to meet any of the applicable qualifications for licensure provided in § 602 (for consumer goods repair dealers) and § 603 (for supervisory inspectors);
(b) Was previously the holder of a license issued pursuant to this chapter which has been revoked, and the grounds for revocation have not been removed or remedied;
(c) Has engaged in any of the prohibited conduct specified in § 650;
(d) Has failed to comply with an order issued under § 623;
(e) Has intentionally made a false, misleading, or fraudulent statement of material fact in his application.
606.2 Under § 622, the Department may suspend, revoke, or refuse to renew a license issued by it when the licensee has violated any applicable provision of this chapter or has failed to comply with an order issued under § 623.