7 Pa. Code § 21.27
Indoor housing facilities in kennels shall have ample lighting by natural or artificial means. Lighting in indoor housing facilities shall be sufficient to allow observation of the physical condition of the dogs so housed, and to allow observation of the sanitary condition of the indoor housing facility. Dogs housed in these facilities shall be provided a regular diurnal lighting cycle.
The provisions of this § 21.27 amended January 12, 1996, effective April 12, 1996, 26 Pa.B. 161. Immediately preceding text appears at serial page (140186).