S.D. Codified Laws § 32-9-6
Any person, corporation, or limited liability company desiring to operate a motor vehicle, trailer, semitrailer as a motor carrier of persons or property on the public highways of this state shall, before beginning the operations, cause to be presented to the county treasurer of the county of which the applicant is a resident, if the applicant be a resident of this state, and if a nonresident, then to the county treasurer of any county through which that applicant may travel, except as provided for interstate carriers, an application upon forms to be furnished and provided by the Department of Revenue. The application shall set forth the name of the manufacturer of the vehicle, the factory number, the engine number of the vehicle, the model of the vehicle, and the desired gross weight classification or rated maximum seating capacity of the vehicle, together with such other and additional information as the Department of Revenue may deem necessary. A violation of this section is a Class 2 misdemeanor.
SDCL 32-9-6