In accordance with §1301.351, of the Plumbing License Law, a person may not perform plumbing without holding the proper license, endorsement or registration which relates to the type of plumbing to be performed. The scope of work permitted to an individual who holds a license, endorsement or registration issued by the Board is described in paragraphs (1) - (12) of this section.

1. (1) Responsible Master Plumber (or "RMP")--A person who is licensed as a Master Plumber and meets the requirements of a Responsible Master Plumber under the Plumbing License Law and Board Rules is authorized to:

   1. (A) advertise or otherwise offer to perform or provide plumbing to the general public;
   2. (B) enter into contracts or agreements to perform plumbing;
   3. (C) obtain plumbing permits to perform plumbing work; and
   4. (D) perform and supervise plumbing.

2. (2) Master Plumber license--Authorizes the individual to perform and supervise plumbing:

   1. (A) only under the general supervision of a Responsible Master Plumber; and
   2. (B) only under contracts or agreements to perform plumbing work secured by a Responsible Master Plumber.

3. (3) Journeyman Plumber license--Authorizes the individual to perform and supervise plumbing:

   1. (A) only under the general supervision of a Responsible Master Plumber; and
   2. (B) only under contracts or agreements to perform plumbing work secured by a Responsible Master Plumber.

4. (4) Tradesman Plumber-Limited license--Authorizes the individual to perform and supervise plumbing for only one or two family dwellings:

   1. (A) only under the supervision of a Responsible Master Plumber; and
   2. (B) only under contracts or agreements to perform plumbing secured by a Responsible Master Plumber.
   3. (C) A Tradesman Plumber-Limited license holder may assist in the installation of plumbing other than for one or two family dwellings only under the direct, on-the-job supervision of a licensed Journeyman or Master Plumber.
5. (5) Plumbing Inspector license--Authorizes the individual to perform plumbing inspections as an employee or independent contractor of a political subdivision or state agency for compliance with health and safety laws and ordinances.

6. (6) Medical Gas Piping Installation Endorsement--An endorsement to a Journeyman or Master Plumber license that authorizes the individual to install piping that is used solely to transport gases used for medical purposes:

   1. (A) only under the general supervision of a Responsible Master Plumber who holds a Medical Gas Piping Installation Endorsement on his or her Master Plumber license; and
   2. (B) only under contracts or agreements to perform medical gas piping installations secured by a Responsible Master Plumber who holds a Medical Gas Piping Installation Endorsement on his or her Master Plumber license.
7. (7) Water Supply Protection Specialist--An endorsement to a Journeyman or Master Plumber license that authorizes 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.

8. (8) Multipurpose Residential Fire Protection Sprinkler Specialist--An endorsement to a Journeyman or Master Plumber license that authorizes the individual to install a multipurpose residential fire protection sprinkler system for only one or two family dwellings:

   1. (A) only under the general supervision of a Responsible Master Plumber who holds a Multipurpose Residential Fire Protection Sprinkler Specialist endorsement on his or her Master Plumber license; and
   2. (B) only under contracts or agreements to perform multipurpose residential fire protection sprinkler system installations secured by a Responsible Master Plumber who holds a Multipurpose Residential Fire Protection Sprinkler Specialist endorsement on his or her Master Plumber license.

9. (9) Residential Utilities Installer Registration--Authorizes the holder of a Plumber's Apprentice registration to construct and install yard water service piping and building sewers for only one or two family dwellings:

   1. (A) only under the general supervision of a Responsible Master Plumber; and
   2. (B) only under contracts or agreements to perform plumbing work secured by a Responsible Master Plumber.

10. (10) Drain Cleaner Registration--Authorizes the holder of a Plumber's Apprentice registration or a Tradesman Plumber-Limited license to install cleanouts and remove and reset p-traps for the purposes of eliminating obstructions in building drains and sewers:

    1. (A) only under the general supervision of a Responsible Master Plumber; and
    2. (B) only under contracts or agreements to perform plumbing work secured by a Responsible Master Plumber.

11. (11) Drain Cleaner-Restricted Registration--Authorizes the holder of a Plumber's Apprentice registration to clear obstructions in sewer and drain lines only through any existing code-approved opening:

    1. (A) only under the general supervision of a Responsible Master Plumber; and
    2. (B) only under contracts or agreements to perform plumbing work secured by a Responsible Master Plumber.

12. (12) Plumber's Apprentice Registration--Authorizes the individual to assist a person licensed by the Board in the installation of plumbing:

    1. (A) only under the direct, on-the-job supervision of a person licensed by the Board;
    2. (B) only under the general supervision of a Responsible Master Plumber; and
    3. (C) only under contracts or agreements to perform plumbing work secured by a Responsible Master Plumber.

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; amended to be effective May 2, 2010, 35 TexReg 3497.