R.I. Gen. Laws § 39-3-38.1: Rate adjustments — Purchase and sale of water between regulated water-supply boards.

Regulated water-supply boards that purchase wholesale water from another regulated water-supply board may impose a retail rate increase provided the public utilities commission has approved the wholesale rate increase. The total amount of the retail rate so imposed shall not exceed the amount of the wholesale rate increase. The proposed retail rate increase to be applied by the wholesale purchaser shall be submitted no less than thirty (30) days prior to its effective date to the public utilities commission for its review and approval.