Versions of Texas Health and Safety Code Chapter 481 > Subchapter I - Interagency Prescription Monitoring Work Group on LawServer 2023 Texas Health and Safety Code Chapter 481 > Subchapter I – Interagency Prescription Monitoring Work Group 2022 Texas Health and Safety Code Chapter 481 > Subchapter I – Interagency Prescription Monitoring Work Group 2019 Texas Health and Safety Code Chapter 481 > Subchapter I – Interagency Prescription Monitoring Work Group 2018 Texas Health and Safety Code Chapter 481 > Subchapter I – Interagency Prescription Monitoring Work Group 2016 Texas Health and Safety Code Chapter 481 > Subchapter I – Interagency Prescription Monitoring Work Group