R.I. Gen. Laws § 39-11-6
Upon the filing of an application for a certificate, the administrator shall fix a time and place for the hearing on the application and shall cause notice of the filing of the application and of the hearing on the application to be given by mail not less than ten (10) days, exclusive of the date of mailing, before the hearing, addressed to all holders of certificates, and applicants therefor whose operations or proposed operations would be affected by the granting of the proposed certificate, and upon any other person deemed by the administrator to have an interest in the proceeding. All interested persons shall have the right to appear and take part in all proceedings before the administrator either in person or by counsel. All hearings, investigations, and inquiries before the administrator shall be governed by rules to be adopted and prescribed by the administrator, and in the hearings and investigations and inquiries, the administrator shall not be bound by the technical rules of evidence.
R.I. Gen. Laws § 39-11-6