R.I. Gen. Laws § 5-22-21

Whoever gets up, sets on foot, causes to be published, or otherwise aids in getting up and promoting any masked ball or other public assembly at which the company wear masks or other disguises, and to which admission is obtained upon payment of money or the delivery of any valuable thing or by a ticket or voucher obtained for money or any valuable thing, without first obtaining from the city or town council of the city or town where that exhibition or other public assembly is to be had a license for it, shall for the first offense be fined not exceeding five hundred dollars ($500), and for any subsequent offense be imprisoned not exceeding one year.