Versions of Texas Government Code Chapter 421 - Homeland Security on LawServer 2024 Texas Government Code Chapter 421 – Homeland Security 2023 Texas Government Code Chapter 421 – Homeland Security 2022 Texas Government Code Chapter 421 – Homeland Security 2019 Texas Government Code Chapter 421 – Homeland Security 2018 Texas Government Code Chapter 421 – Homeland Security 2016 Texas Government Code Chapter 421 – Homeland Security