32-10-3.4. Staggered registration of interstate motor carriers. Each interstate motor carrier registering a vehicle under the provisions of chapter 32-10 shall be allowed to select a renewal month of February, May, August, or November. Each license plate or validation decal issued on a staggered basis shall expire on the last day of the month assigned for the renewal. If no renewal month is selected by the motor carrier or the department cannot accommodate the renewal month selected, a renewal month shall be assigned by the department. Each fleet assigned to the motor carrier shall be registered or renewed in the same renewal month.