Okla. Stat. tit. 47 § 423
An application for a license as an itinerant merchant shall be made to the Commission or through any of its authorized agents upon forms to be prepared by the Commission. A separate application and license shall be required for each motor vehicle to be operated. In addition to any other essential information required by the Commission, said application shall state the following: Name and legal status of the applicant; his business address, if a natural person; his residence address, if not a natural person; the names and business and residence addresses of the principal and managing officers, agents or partners; a general description of the business to be conducted and the area in this state in which it will be conducted; an exact description of the motor vehicle to be used including the make, type, manufacturer's rated loading capacity, motor number, serial number, place where registered, and registration or license number. The application shall be signed and sworn to by the applicant or his duly-authorized agent, if a natural person; if not a natural person, by some agent, officer or partner authorized to act for it.
Okla. Stat. tit. 47, § 423