R.I. Gen. Laws § 42-13.1-13
All programs and funding proposals shall conform to applicable federal law, rules, and regulations. The department shall promulgate state rules and regulations to carry out the purposes of this chapter. Included within said rules and regulations shall be a provision requiring any public comment period to continue for at least thirty (30) days and a provision requiring advance notification to be provided to the governor, speaker of the house of representatives, and president of the senate prior to any announcement of public hearing or public comment period establishing or modifying the amount of tolls to be collected. In promulgating these rules and regulations, the department shall establish policies and procedures that promote procedural transparency.
R.I. Gen. Laws § 42-13.1-13