Okla. Stat. tit. 37A, § 2-112
A caterer license shall authorize the holder thereof to sell mixed beverages for on-premises consumption incidental to the sale or distribution of food at particular functions, occasions or events which are temporary in nature. A caterer license shall not be issued in lieu of a mixed beverage license. A caterer license shall only be issued in counties of this state where the sale of alcoholic beverages by the individual drink for on-premises consumption has been authorized. A separate license shall be required for each place of business.
Laws 2016, SB 383, c. 366, § 24, eff. October 1, 2018.