(a) Any person in this state who owns a school bus or other bus which has been converted to or equipped as a camper and is used solely as a camper may register it and obtain special motor vehicle license plates for it upon application to the Secretary of the Department of Finance and Administration and upon the payment of an annual registration fee of thirteen dollars ($13.00).
(b) No more than one (1) family or six (6) persons, whichever shall be the greater number, shall be transported upon the public highways of this state in a camper bus licensed under the provisions of this section.
(c) Any person owning a camper bus registered and licensed pursuant to this section who shall use the bus or permit it to be used for any purpose other than as a camper bus or who shall operate or permit it to be operated in violation of this section shall be required to pay the annual registration fee prescribed by law for other vehicles of the same class as such vehicle, and in addition, shall pay a penalty in an amount equal to one-half (½) of the annual fee.