9 C.F.R. § 354.245 Vermin.
Title 9 - Animals and Animal Products
Every practicable precaution shall be taken to exclude flies, rats, mice, and other vermin from the official plant. Dogs, cats, and other pets shall be excluded from rooms where edible products are processed, handled, or stored.
Title 9: Animals and Animal Products
PART 354—VOLUNTARY INSPECTION OF RABBITS AND EDIBLE PRODUCTS THEREOF
Maintenance of Sanitary Conditions and Precautions Against Contamination of Products
§ 354.245 Vermin.