R.I. Gen. Laws § 45-12-20
Whenever a general or special law which authorizes the issuance of bonds, notes or other evidences of indebtedness has become effective upon acceptance or approval by the electors of a city or town, such law shall be effective notwithstanding any failure or defect in the posting or notice of the election therefor as required by law, including the city or town charter, and the city or town may immediately issue bonds, notes or other evidences of indebtedness without further approval by the electors of the city or town, by ordinance or by resolution if required by the charters of the city or town, which ordinances or resolution shall become effective without approval by the electors of the city or town as ordinances or resolutions generally become effective under the charter of the city or town.
R.I. Gen. Laws § 45-12-20