D.C. Mun. Regs. tit. 25-A, § 408
408.1 Food employees shall wear clean outer clothing to prevent contamination of food, equipment, utensils, linens, and single-service and single-use articles. When moving from a raw food operation to a ready-to-eat food operation, food employees shall wear clean outer covering over clothing or change to clean clothing if clothing is soiled.
SOURCE: Final Rulemaking published at 50 DCR 4394 (June 6, 2003), incorporating by reference the text of Proposed Rulemaking published at 49 DCR 6184, 6220 (July 5, 2002).