Okla. Admin. Code § 35:37-11-109
No brand or other marking device shall be false or misleading. The letters and figures shall be of a style and type as will make a clear and legible impression. All markings to be applied to products in an official establishment shall be approved prior to use by the Director as provided for in 35:37-11-115.
Added at 21 Ok Reg 1181, eff 5-27-04