R.I. Gen. Laws § 23-27.3-114.5: Approved plans.

The building official or state building commissioner shall stamp and endorse in writing the plans submitted in accordance with § 23-27.3-113.5; one set of the stamped and endorsed plans shall be retained and shall not leave from the department except in the sole discretion of the building officials for the purposes of examination by another municipal or state department; one set of plans shall be kept at the building site, open to inspection of the building official, state building commissioner, or their authorized representative, at all reasonable times; one set shall be retained by the owner, architect, or engineer.