Okla. Stat. tit. 2 § 6-188
The Board shall cause to be made, by competent inspectors, such inspection of all slaughtering, meat-canning, salting, packing, rendering, or similar establishments in which cattle, bison, sheep, swine, goats, horses, mules, and other equines are slaughtered and the meat and meat food products thereof are prepared for intrastate commerce as may be necessary to inform itself concerning the sanitary conditions of the same and to prescribe the rules and regulations of sanitation under which such establishments shall be maintained; and where the sanitary conditions of any such establishment are such that the meat or meat food products are rendered adulterated, it shall refuse to allow said meat or meat food products to be labeled, marked, stamped, or tagged as "Oklahoma Inspected and Passed", and the Board may remove inspectors from any establishment which fails to maintain said establishment in a sanitary manner.
Okla. Stat. tit. 2, § 6-188