D.C. Mun. Regs. tit. 20, § 2503
2503.1 In denying a license or certificate, or before revoking, modifying, or suspending a license or certificate, the Mayor shall notify the applicant, licensee, or certificate holder in writing of the proposed action and the basis for the proposed action.2503.2 The grounds upon which the Mayor may deny, revoke, modify, or suspend a license or certificate include a violation of any of the unlawful acts specified in § 2207 of Chapter 22 of this subtitle, or the violation of any of the rules and regulations promulgated pursuant to those chapters.2503.3 The applicant, licensee, or certificate holder shall have seven (7) business days from the date of receipt of the notice of proposed action to request a hearing before the Mayor to show cause why the license or certificate should not be denied, revoked, modified, or suspended.2503.4 The Mayor may deny the issuance of a license, or revoke, modify, or suspend a license or certificate issued under the Act if the applicant, licensee, or certificate holder has been convicted under FIFRA, or is subject to a final order imposing a civil penalty under FIFRA.2503.5 The Mayor may issue a warning notice to an applicant, licensee, or certificate holder for a violation or threatened violation of any of the unlawful acts specified in §2207 of Chapter 22 of this subtitle.2503.6 The Mayor may suspend a license or certificate to protect the public health, safety, or welfare. The suspension shall be effective immediately and pending further investigation.2503.7 The Mayor shall not reissue a license to anyone whose license has been revoked until after at least one hundred eighty (180) days following the revocation.2503.8 Any person aggrieved by any action of the Mayor may obtain a review of the action by appealing to the Board of Appeals and Review.2503.9 The decision of the Board of Appeals and Review on an appeal shall be the final administrative remedy.2503.10 Any person adversely affected by a decision of the Board may seek judicial review of the decision in the D.C. Court of Appeals, pursuant to the D.C. Administrative Procedure Act (D.C. Code § 1-1501 et seq. (1981)).
SOURCE: Section 11 of the Pesticide Operations Act of 1977, D.C. Law 2-70, 25 DCR 6867, 6888 (February 17, 1978).