R.I. Gen. Laws § 31-36-11: Interest on delinquent taxes — Actions for collections.

Any distributor failing to pay the tax provided for in this chapter when payable shall be liable for interest at the annual rate provided by § 44-1-7, as amended, on the amount of the tax from the time when the tax shall become payable until the tax is paid, and suit for the collection of the tax and interest shall be initiated by the tax administrator, under the direction and supervision of the director of administration.