Versions of Tennessee Code 56-57-102 - Authority for a prescription drug discount plan known as “Volunteer Rx”. on LawServer 2023 Tennessee Code 56-57-102 – Authority for a prescription drug discount plan known as “Volunteer Rx” 2021 Tennessee Code 56-57-102 – Authority for a Prescription Drug Discount Plan Known as “Volunteer Rx” 2020 Tennessee Code 56-57-102 – Authority for a Prescription Drug Discount Plan Known as “Volunteer Rx” 2019 Tennessee Code 56-57-102 – Authority for a prescription drug discount plan known as “Volunteer Rx”. 2010 Tennessee Code 56-57-102 – Authority for a prescription drug discount plan known as “Volunteer Rx”