D.C. Mun. Regs. tit. 25-B, § 2012
2012.1 Patrol dogs accompanying police or security officers and sentry dogs running loose in outside fenced areas may be allowed in some areas of a food processing operation if the presence of the animals cannot result in contamination of food, equipment, utensils, food-contact surfaces, or food- packaging materials.
SOURCE: Final Rulemaking published at 56 DCR 5245 (July 3, 2009).