R.I. Gen. Laws § 31-3-39
The administrator of the division of motor vehicles shall issue for any motor vehicle eligible for registration as an automobile or eligible for registration as a commercial vehicle and having a gross weight of nine thousand (9,000) pounds or less for the motor vehicle of a radio amateur, other than a novice, licensed by the federal communications commission, as long as he or she shall remain so licensed, and such registration plates as issued shall identify the registrant by the station and operator "call sign" assigned to him or her by the federal communications commission. This issuance of special plates shall be in accordance with the statutory requirements relating to the registration of motor vehicles and upon the payment of the regular registration fee. Application for the special plates shall be made in advance and upon the special form or forms as the administrator of the division of motor vehicles shall designate.
R.I. Gen. Laws § 31-3-39