2024 Texas Occupations Code 1301.405 – Mandatory Training for Drain Cleaner, Drain Cleaner-Restricted Registrant, and Residential Utilities Installer

2023 Texas Occupations Code 1301.405 – Mandatory Training for Drain Cleaner, Drain Cleaner-Restricted Registrant, and Residential Utilities Installer

2022 Texas Occupations Code 1301.405 – Mandatory Training for Drain Cleaner, Drain Cleaner-Restricted Registrant, and Residential Utilities Installer

2019 Texas Occupations Code 1301.405 – Mandatory Training for Drain Cleaner, Drain Cleaner-Restricted Registrant, and Residential Utilities Installer

2018 Texas Occupations Code 1301.405 – Mandatory Training for Drain Cleaner, Drain Cleaner-Restricted Registrant, and Residential Utilities Installer

2016 Texas Occupations Code 1301.405 – Mandatory Training for Drain Cleaner, Drain Cleaner-Restricted Registrant, and Residential Utilities Installer

2014 Texas Occupations Code 1301.405 – Mandatory Training for Drain Cleaner, Drain Cleaner-Restricted Registrant, and Residential Utilities Installer

2011 Texas Occupations Code 1301.405 – Mandatory Training for Drain Cleaner, Drain Cleaner-Restricted Registrant, and Residential Utilities Installer

2009 Texas Occupations Code 1301.405 – Mandatory Training for Drain Cleaner, Drain Cleaner-Restricted Registrant, and Residential Utilities Installer