R.I. Gen. Laws § 45-29-16: Maps and surveys filed by authority.

Upon the passage of a resolution by the city granting the petition, the authority shall cause two (2) surveys or maps of the property described in the petition to be made, one shall be filed in the land evidence records of the city and the other in the office of the authority. The filing of the surveys or maps shall be conclusive evidence of the acceptance by the authority of the terms and conditions of the resolution.