SDCL § 32-5-2.4: Renewal of registration during assigned month--Expiration of staggered license plates or validation stickers--Violation as misdemeanor.

All owners shall continue to renew the registrations of their vehicles during the month assigned to the first initial of their last name. Each registration fee shall be prorated on a monthly basis. All license plates or validation stickers issued on a staggered basis shall expire on the last day of the month assigned for the renewal of registration by § 32-5-2.2. If a person operates a motor vehicle without the current license plate displaying the proper validation sticker he is guilty of a Class 2 misdemeanor.