(a) An individual must be certified under Subchapter C, Chapter 155, Government Code, if the individual:
(1) is a private professional guardian;
(2) will represent the interests of a ward as a guardian on behalf of a private professional guardian;
(3) is providing guardianship services to a ward of a guardianship program on the program’s behalf, except as provided by Section 1104.254; or
(4) is an employee of the Department of Aging and Disability Services providing guardianship services to a ward of the department.
(b) An individual employed by or contracting with a guardianship program must be certified as provided by Subsection (a) to provide guardianship services to a ward of the program.