R.I. Gen. Laws § 45-14-1.1
Starting on January 1, 2012, all cities and towns that own, operate, manage or control a sewer system shall require as-built drawings and plans on any new sewer main extension to be submitted to the sewer authority. In addition, an as-built record drawing and plans shall be submitted to the sewer authority for any sewer main upgrade or repair that deviates in horizontal or vertical alignment from the existing sewer main horizontal or vertical alignment. The preparation and submission of such as-built drawings and plans shall be the responsibility of the person that each city and town has designated either by ordinance or by contract. All cities and towns shall determine the form in which such drawings and plans shall be submitted.
R.I. Gen. Laws § 45-14-1.1