S.D. Codified Laws § 32-5-65.1
Any owner of a motor vehicle who holds an unrevoked and unexpired official amateur radio license, is a resident of this state and has complied with all the laws of this state in regards to the registration of a motor vehicle, may apply for a set of special plates bearing an inscription thereon of the call letters authorized for the owner's amateur radio license by making application therefor on a form prescribed by the department. The special plates are in lieu of the regular number plates issued for the motor vehicle. The special plates shall be displayed as set forth in § 32-5-98. In addition to the noncommercial license plate fees, an additional fee of ten dollars shall be charged for the initial issuance of the special license plates. If the amateur radio license is revoked, the owner shall surrender the special license plates to the department. The secretary shall make the necessary changes in the registration file. The owner shall obtain regular number plates. Failure to surrender the special license plates as required by this section is a Class 2 misdemeanor.
SDCL 32-5-65.1