A backflow preventer tester certification shall be subject to denial, suspension, or revocation for the following causes:
Whenever the General Manager finds that an applicant for a certificate under this chapter is deficient in one or more of the certificate qualifications or whenever the General Manager has reasonable grounds to believe that there has been a violation of any statute or regulation applicable to plumbing or water and sanitation for which the tester is subject to suspension or revocation, the General Manager shall give written notice to the applicant or certificate holder in accordance with the provisions of this section.
The notice required by § 5408.2 shall state with specificity the grounds for the suspension, revocation or denial.
Any person who has received a notice of denial, suspension or revocation may file a written notice of appeal pursuant to chapter 400 of this Title. The notice of appeal shall be filed no later than fifteen (15) days after the date of the notice of denial.
D.C. Mun. Regs. tit. 21, r. 21-5408