9 C.F.R. § 3.55 Watering.
Title 9 - Animals and Animal Products
Sufficient potable water shall be provided daily except as might otherwise be required to provide adequate veterinary care. All watering receptacles shall be sanitized when dirty: Provided, however, That such receptacles shall be sanitized at least once every 2 weeks.
Title 9: Animals and Animal Products
PART 3—STANDARDS
Subpart C—Specifications for the Humane Handling, Care, Treatment and Transportation of Rabbits
Animal Health and Husbandry Standards
§ 3.55 Watering.
