R.I. Gen. Laws § 4-28-1: Electronic payment of fees.

(a) The director of the department of environmental management may require that any fee owed to the department, pursuant to any chapter of title 4, be paid electronically.

(b) In addition to specific fees owed to the department of environmental management, pursuant to any chapter of title 4, the director of the department of environmental management may charge a processing fee. The department shall set the amount of such fees through rules and regulations, with processing fees not to exceed five percent (5%) of the original fee owed to the department.