Chapter 4-3 Authority Plates C. Plates Issued: Normal Authority Vehicle - Two plates are issued. Authority Motorcycle - One plate is issued. Authority Trailer - One plate is issued, and the other plate will be discarded by the Clerk D. Fees: There are no fees charged when registering an authority vehicle. E. Expiration Date: Authority plates have no expiration date. The registration becomes effective on the date the plates are issued and remains effective until the plates are canceled. 10/07 4:7