Versions of Rhode Island General Laws 45-21.4-3. Retiree participation in optional requirement plan on LawServer 2023 Rhode Island General Laws 45-21.4-3. Retiree participation in optional requirement plan 2022 Rhode Island General Laws 45-21.4-3. Retiree participation in optional requirement plan 2020 Rhode Island General Laws 45-21.4-3. Retiree participation in optional requirement plan