Versions of Rhode Island General Laws 21-28-3.20.1. Authority of practitioner to prescribe, administer, and dispense -- Cancer, palliative care and chronic intractable pain on LawServer 2023 Rhode Island General Laws 21-28-3.20.1. Authority of practitioner to prescribe, administer, and dispense — Cancer, palliative care and chronic intractable pain 2022 Rhode Island General Laws 21-28-3.20.1. Authority of practitioner to prescribe, administer, and dispense – Cancer, palliative care and chronic intractable pain