Versions of Rhode Island General Laws 27-19-78. Health insurance contracts - Copayments exemption for COVID-19 vaccinations on LawServer 2023 Rhode Island General Laws 27-19-78. Health insurance contracts – Copayments exemption for COVID-19 vaccinations 2022 Rhode Island General Laws 27-19-78. Health insurance contracts – Copayments exemption for COVID-19 vaccinations