Okla. Stat. tit. 68, § 68-334: Sales exceptions

The provisions of this act shall not apply to sales at retail or

sales at wholesale made (a) in an isolated transaction and not in

the usual course of business; (b) where cigarettes and tobacco

products are advertised, offered for sale, or sold in bona fide

clearance sales for the purpose of discontinuing trade in such

cigarettes and tobacco products, and said advertising, offer to

sell, or sale shall state the reason thereof and the quantity of

such cigarettes and tobacco products advertised, offered for sale,

or to be sold; (c) where cigarettes or tobacco products advertised,

offered for sale, or sold as imperfect or damaged, and said

advertising, offer to sell, or sale shall state the reason therefor

and the quantity of such cigarettes and tobacco products advertised,

offered for sale, or to be sold; (d) where cigarettes and tobacco

products are sold upon the final liquidation of a business; or (e)

where cigarettes and tobacco products are advertised, offered for

sale, or sold by any fiduciary or other officer acting under the

order or direction of any court.