[Code of Federal Regulations]
[Title 9, Volume 1]
[Revised as of January 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 9CFR2.53]

[Page 33]
 
                  TITLE 9--ANIMALS AND ANIMAL PRODUCTS
 
  CHAPTER I--ANIMAL AND PLANT HEALTH INSPECTION SERVICE, DEPARTMENT OF 
                               AGRICULTURE
 
PART 2--REGULATIONS--Table of Contents
 
                  Subpart E--Identification of Animals
 
Sec. 2.53  Use of tags.

    Official tags obtained by a dealer, exhibitor, or research facility, 
shall be applied to dogs or cats in the manner set forth in Sec. 2.50 
and in as close to consecutive numerical order as possible. No tag 
number shall be used to identify more than one animal. No number shall 
be repeated within a 5-year period.