[Code of Federal Regulations] [Title 9, Volume 2] [Revised as of January 1, 2008] From the U.S. Government Printing Office via GPO Access [CITE: 9CFR355.9] [Page 412] TITLE 9--ANIMALS AND ANIMAL PRODUCTS CHAPTER III--FOOD SAFETY AND INSPECTION SERVICE, DEPARTMENT OF AGRICULTURE PART 355_CERTIFIED PRODUCTS FOR DOGS, CATS, AND OTHER CARNIVORA; INSPECTION, CERTIFICATION, AND IDENTIFICATION AS TO CLASS, QUALITY, Sec. 355.9 Numbers granted same ownership or control. Two or more official plants under the same ownership or control may be granted the same official number, provided a serial letter is added after the number in each case to identify the plant.