N.C. Gen. Stat. § 106-337: Animals to be branded.

All veterinarians who, either by clinical examination or by tuberculin test, find an animal affected with tuberculosis, shall, unless the animal is immediately slaughtered, properly brand said animal for identification on the left jaw with the letter "T," not less than two inches high, and promptly report the same to the State Veterinarian. (1921, c. 177, s. 2; C.S., s. 4895(b).)