(a) On and after January 1, 2009, a person performing or offering to perform plumbing work in this state shall have a license issued by the Commissioner of Labor, in accordance with the provisions of this article.
(b) A person licensed under this article must carry a copy of the license on any job in which plumbing work is being performed.
(c) This article does not apply to:
(1) A person who personally performs plumbing work on a single family dwelling owned or leased by that person or by a member of that person's immediate family;