D.C. Mun. Regs. tit. 20, § 2204
2204.1 No person who is not licensed pursuant to this chapter, and who is not acting as a private applicator, shall administer any pesticide unless he or she is registered with the Mayor and is acting under supervision of a licensed applicator.
2204.2 Application for registration shall be made in writing on a form prescribed by the Mayor. The registration shall be valid for the time period prescribed by the Mayor.
2204.3 The Mayor shall provide for the issuance for appropriate credentials for all registrants.
2204.4 Each licensed pesticide operator shall register with the Director all employee(s) who work under the direct supervision of a licensed, certified applicator.
2204.5 Registration of each employee pursuant to § 2204.4 shall be made within thirty (30) days after the date of employment.
2204.6 The Director shall issue an identification card to each registrant.
2204.7 Each registrant shall carry his or her identification card during all working hours, and shall display it upon request.
2204.8 The licensed pesticide operator shall give the Director written notice of the termination of the employment of a registered employee within thirty (30) days of the termination, and the employee's identification card shall be returned to the Director at that time for cancellation.
SOURCE: Section 5 of the Pesticide Operations Act of 1977, D.C. Law 2-70, 24 DCR 6867, 6882 (February 19, 1978); as amended by Final Rulemaking published at 25 DCR 3044, (October 6, 1978), incorporating Proposed Rulemaking published at 25 DCR 2118 (August 25, 1978); and as amended by Final Rulemaking published at 30 DCR 2204, 2207 (May 13, 1983).