Okla. Stat. tit. 21, § 21-918: Sale, barter or exchange of motor vehicles on Sunday

prohibited - Activities exempt.

No person, firm, or corporation, whether owner, proprietor,

agent, or employee, shall keep open, operate, or assist in keeping

open or operating any place or premises or residences whether open

or closed, for the purpose of selling, bartering, or exchanging, or

offering for sale, barter, or exchange, any motor vehicle or motor

vehicles, whether new, used, or secondhand, on the first day of the

week, commonly called Sunday, except as otherwise provided in this

section; and provided, however, that Sections 917 through 919 of

this title shall not apply to the opening of an establishment or

place of business on the first day of the week for other purposes,

such as the sale of petroleum products, tires, automobile

accessories, or for the purpose of operating and conducting a motor

vehicle repair shop, or for the purpose of supplying such services

as towing or wrecking. Antique, classic, or special interest

automobiles sold, bartered, auctioned, or exchanged by any person,

firm, or corporation are exempt from the provisions of this section,

as well as off-premises sales of new motorized recreational vehicles

approved by the Oklahoma New Motor Vehicle Commission pursuant to

the provisions of the Recreational Vehicle Franchise Act.