All Brewers, Nonresident Sellers and Beer Distributors may post prices on containers of beer or brewed products that are offered for sale in this State at a price in excess of any other approved container for the same quantity of the same brand or kind of beer or brewed product, when there is a difference in the cost of the container and/or package to the Brewer, or the Nonresident Sellers of beer or brewed products and/or Beer Distributors.
Okla. Admin. Code § 45:30-5-17