Okla. Stat. tit. 37A, § 37A-6-107: Prohibited acts of special event or caterer licensees

No special event or caterer licensee shall:

1. Purchase or receive any alcoholic beverage other than from a

person holding a wine and spirits wholesaler or beer distributor

license issued pursuant to the provisions of the Oklahoma Alcoholic

Beverage Control Act; provided, a special event or caterer licensee

may purchase wine produced at small farm wineries or beer produced

by a small brewer in this state directly from a winemaker or small

brewer as provided in Section 2 of Article XXVIIIA of the Oklahoma

Constitution or in this act; or

2. Transport alcoholic beverages from the place of purchase to

the licensed premises unless the licensee also holds a private

carrier license issued by the ABLE Commission.