StacksVerified U.S. regulatory reference

9 CFR §2.53

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Official tags obtained by a dealer, exhibitor, or research facility, shall be applied to dogs or cats in the manner set forth in § 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.