1. (a) Cleaning of primary enclosures. Body waste shall be removed from primary enclosures as often as necessary to prevent contamination of animals contained therein and to reduce disease hazards and odors.
2. (b) Sanitation of primary enclosures. Prior to the introduction of non- conditioned animals into empty primary enclosures previously occupied, such enclosures shall be sanitized by washing them with hot water and soap or detergent, followed by a safe and effective sanitizing agent.

(Effective March 14, 1974)