The Board shall establish four separate license categories, two endorsement categories and four registration categories, as described in paragraphs (1) - (10) of this section.

1. (1) Master Plumber--a license that entitles the individual to perform plumbing work, enter into contracts or agreements to perform plumbing work for the general public and to secure permits to perform plumbing work.
2. (2) Journeyman Plumber--a license that entitles the individual to do plumbing work only under the general supervision of Master plumbers and only under contracts or agreements to perform plumbing work secured by Master Plumbers.
3. (3) Medical Gas Piping Installation Endorsement--an endorsement to a Journeyman or Master Plumber license entitling the individual to install piping that is used solely to transport gases used for medical purposes, including, but not limited to oxygen, nitrous oxide, medical air, nitrogen and medical vacuum.
4. (4) Plumbing Inspector--a license that entitles the individual to do plumbing inspections as an employee or independent contractor of a political subdivision for compliance with health and safety laws and ordinances.
5. (5) Water Supply Protection Specialist--an endorsement to a Journeyman or Master Plumber License certifying the individual to perform Customer Service Inspections as defined in the Texas Commission on Environmental Quality Rules and Regulations for Public Water Systems. A Water Supply Protection Specialist Endorsement shall not be used in lieu of a Plumbing Inspector License as required under §1301.351 of the Plumbing License Law to perform plumbing inspections required under §1301.255 and §1301.551 of the Plumbing License Law.
6. (6) Tradesman Plumber-Limited Licensee--a license that entitles the individual to construct and install plumbing for only one or two family dwellings, only under the supervision of Master Plumbers and only under contracts or agreements to perform plumbing work secured by Master Plumbers.
7. (7) Residential Utilities Installer--a registration that entitles the individual to construct and install yard water service piping and building sewers for only one or two family dwellings, only under the supervision of Master Plumbers and only under contracts or agreements to perform plumbing work secured by Master Plumbers.
8. (8) Drain Cleaner--a registration that entitles the individual to install cleanouts and remove and reset p-traps for the purposes of eliminating obstructions in building drains and sewers, only under the supervision of Master Plumbers and only under contracts or agreements to perform plumbing work secured by Master Plumbers.
9. (9) Drain Cleaner-Restricted Registrant--a registration that entitles the individual to clear obstructions in sewer and drain lines only through any existing code-approved opening, only under the supervision of Master Plumbers and only under contracts or agreements to perform plumbing work secured by Master Plumbers.
10. (10) Plumber's Apprentice--a registration that entitles the individual to, as his or her principal occupation, to engage in learning and assisting in the installation of plumbing, only under the supervision of a Master Plumber and the direct supervision of a licensed plumber and only under contracts or agreements to perform plumbing work secured by Master Plumbers.

Source Note:The provisions of this §365.1 adopted to be effective May 18, 1982, 7 TexReg 1748; amended to be effective September 9, 1982, 7 TexReg 3143; amended to be effective September 1, 1983, 8 TexReg 3186; amended to be effective June 2, 1987, 12 TexReg 1661; amended to be effective August 25, 1993, 18 TexReg 5399; amended to be effective December 8, 1993, 18 TexReg 8786; amended to be effective August 8, 1994, 19 TexReg 5710; amended to be effective June 7, 1996, 21 TexReg 4688; amended to be effective January 31, 1999, 24 TexReg 557; amended to be effective December 18, 2000, 25 TexReg 12386; amended to be effectiveDecember 30, 2001,26 TexReg 10587; amended to be effective November 8, 2004, 29 TexReg 10266.