D.C. Mun. Regs. tit. 25-B, § 2309
2309.1 All shellfish certifications shall expire on June 30th of each year and shall be renewed annually. In no case shall a dealer conduct a shellfish operation without a valid certification issued by the Department.
SOURCE: Final Rulemaking published at 56 DCR 5245 (July 3, 2009).