(a) A person is not required to be licensed under this chapter to perform plumbing, limited to the provision of a residential potable water supply or residential sanitary sewer connection, for a project that:
(1) is in a county a part of which is within 50 miles of an international border; and
(2) is performed by an organization that:
(A) is certified by the Texas Natural Resource Conservation Commission to provide self-help project assistance; and
(B) provides the board with the following information before the 30th day before the date the project begins:
(i) the exact location of the project;
(ii) the intended duration of the project; and
(iii) other information the board requires.
(b) The board may require under Subsection (a)(2)(B)(iii) that the organization provide a post-construction report signed by a plumbing inspector stating that the plumbing is safe.