R.I. Gen. Laws § 45-21-16.2: Electronic funds transfer.

All members of the municipal employees retirement system retiring under the provisions of this title on or after July 1, 1998, or joining the system pursuant to § 45-21.4-2 or § 45-21.4-3, are required to participate in electronic funds transfer and to supply the municipal employees retirement system with a bank routing number to effectuate a monthly transfer of benefits.