Okla. Admin. Code § 35:37-5-18
Except as otherwise provided in this Part, the official inspection legend required to be used with respect to inspected and passed poultry products shall include wording as follows: "Oklahoma, Inspected and Passed." The form and arrangement of such wording shall be exactly as indicated in the example in Illustration 1 of Appendix C of Chapter 37, except that the appropriate official establishment number shall be shown. The Director may approve the use of abbreviations of such inspection mark; and such approved abbreviations shall have the same force and effect as the inspection mark. The official inspection legend, or the approved abbreviation thereof, shall be printed on consumer packages and other immediate containers of inspected and passed poultry products, or on labels to be securely affixed to such containers.
Okla. Admin. Code § 35:37-5-18