R.I. Gen. Laws § 1-3-11: Procedure for adoption of regulations.

No airport zoning regulations shall be adopted, amended, or changed under this chapter except by action of the legislative body of the political subdivision in question, or the joint board provided for in § 1-3-6, after a public hearing in relation to these zoning regulations, at which parties of interest and citizens shall have an opportunity to be heard. At least fifteen (15) days’ notice of the hearing shall be published in an official paper, or a paper of general circulation, in the political subdivision or subdivisions in which the airport or airport hazard areas are located.