R.I. Gen. Laws § 44-57-6

Applicants for the tax credit shall obtain a systems certification from the state energy office, except if the system is installed by a contractor holding a contractor certification issued by the state energy office. Applications for a system certification shall be made on a form provided by the state energy office. All applications shall contain a statement that the system and contractor or owner-builder will meet all federal, state, and local requirements all applications shall state the net cost and location of the renewable energy system.