D.C. Mun. Regs. tit. 20, § 2306
2306.1 A licensed certified applicator shall renew their certification and license every year.
2306.2 An applicant for certification renewal shall be required to present documentation indicating satisfactory completion within the year of a minimum of one (1) refresher training course from the list approved and published by the Department on the pesticide operator database that is pertinent to the applicator's competency, including training on integrated pest management principles or other least-toxic pest management practices. The applicant shall meet the following requirements:
(a) Provide an attendance record from the sponsor with the applicant's name, certification number, and arrival and departure time for each session of the course; and
(b) Complete four (4) credits of a training course per category of certification each year, with one (1) credit equivalent to a half (0.5) hour of training.
2306.3 Refresher courses meeting the requirements of § 2306.2 may be in the form of educational courses, programs, seminars, or workshops.
2306.4 To renew certification, the refresher course shall be combined with a history of satisfactory performance as a certified applicator.
2306.5 If the Department determines after consultation with the EPA or other qualified professionals in the field of pest control that a significant change in technology has occurred and that additional training is vital for the protection of the environment, the Department may require that an applicator take an examination prior to the issuance of the renewed certification.
SOURCE: The Pesticide Operations Act of 1977, effective April 18, 1978 (D.C. Law 2-70; 24 DCR 6867 (February 17, 1978)); as amended by Final Rulemaking published at 25 DCR 3044 (October 6, 1978), incorporating the text of the Proposed Rulemaking published at 25 DCR 2118 (August 25, 1978); as amended by Final Rulemaking published at 30 DCR 2204 (May 13, 1983); as amended by Final Rulemaking published at 62 DCR 3340 (March 20, 2015); as amended by Final Rulemaking published at 73 DCR 001173 (February 6, 2026).