Okla. Stat. tit. 2, § 4-10
The state reserves the brands of "B", "T", and "A" on the tailhead of cattle. It shall be unlawful for any person other than authorized agents of the State Board of Agriculture to use any of such brands.
Laws 1955, HB 505, p. 32, art. 4, § 10; Amended by Laws 1965, HB 586, c. 450, § 1; Laws 1996, SB 985, c. 138, § 2, emerg. eff. May 1, 1996; Amended by Laws 2000, SB 1402, c. 243, § 35, emerg. eff. May 24, 2000 (superseded document available).