The department of parks and recreation shall devise and provide to county assessors suitable identification stickers for attachment to or placement on recreational vehicles to indicate that the annual recreational vehicle license fee has been paid. The sticker shall be of suitable size and design for easy identification, and shall show the year and month of the year in which the license expires. The department shall also provide suitable license forms and all other forms required for the purpose of licensing and shall prepay all charges including mailing fees. Each recreational vehicle license shall be filed annually by the department under a distinctive number assigned to the vehicle and alphabetically under the name of the owner.