Okla. Stat. tit. 47, § 47-1116.1: New vehicles - Dealer license plate or decal -

Registration period.

A license plate or decal bearing an expiration date of four (4)

months from the date of registration shall be issued for a vehicle

registered in the name of a manufacturer or dealer of new motor

vehicles. Such license plate or decal shall be issued if the

vehicle so registered is exempt from the vehicle excise tax pursuant

to the provisions of paragraph 12 of Section 2105 of Title 68 of the

Oklahoma Statutes. It shall be unlawful for any person other than a

manufacturer, licensed dealer, person contemplating purchase of the

vehicle, or person holding a valid salesman’s license issued by the

Oklahoma New Motor Vehicle Commission to operate the vehicle after

the expiration of the four-month registration period.