2024 Texas Health and Safety Code 771.0512 – Obligations or Requirements Concerning Voice Over Internet Protocol, Internet Protocol Enabled Service, or Commercial Mobile Service or Wireline Service

2023 Texas Health and Safety Code 771.0512 – Obligations or Requirements Concerning Voice Over Internet Protocol, Internet Protocol Enabled Service, or Commercial Mobile Service or Wireline Service

2022 Texas Health and Safety Code 771.0512 – Obligations or Requirements Concerning Voice Over Internet Protocol, Internet Protocol Enabled Service, or Commercial Mobile Service or Wireline Service

2019 Texas Health and Safety Code 771.0512 – Obligations or Requirements Concerning Voice Over Internet Protocol, Internet Protocol Enabled Service, or Commercial Mobile Service or Wireline Service

2018 Texas Health and Safety Code 771.0512 – Obligations or Requirements Concerning Voice Over Internet Protocol, Internet Protocol Enabled Service, or Commercial Mobile Service or Wireline Service

2016 Texas Health and Safety Code 771.0512 – Obligations or Requirements Concerning Voice Over Internet Protocol, Internet Protocol Enabled Service, or Commercial Mobile Service or Wireline Service

2014 Texas Health and Safety Code 771.0512 – Obligations or Requirements Concerning Voice Over Internet Protocol, Internet Protocol Enabled Service, or Commercial Mobile Service or Wireline Service