(a) A registrant or certified technician must:
  (1) provide proper installation and service, and assure the mechanical integrity of work and installations performed;
  (2) not misrepresent the need for services, services to be provided, or services that have been provided;
  (3) not knowingly perform any non-exempt air conditioning and refrigeration maintenance work without being under the supervision of a licensed air conditioning and refrigeration contractor;
  (4) not knowingly provide non-exempt air conditioning and refrigeration work for or on behalf of an air conditioning and refrigeration contracting company that does not have an affiliation with a licensed individual who supervises all air conditioning and refrigeration work as provided by Occupations Code, Chapter 1302, and this chapter; and
  (5) not use the designation "certified technician" unless designated as certified by the department pursuant to §75.28, or granted an air conditioning and refrigeration technician certification by the department pursuant to §75.120.
(b) A registrant or certified technician may not allow another individual to use a registration or certificate for any purpose.
(c) A registrant or certified technician may not allow any air conditioning and refrigeration contracting company or any air conditioning and refrigeration contractor with which he or she is not employed to use a registration or certificate for any purpose, except as otherwise allowed by this chapter.
(d) A registrant or certified technician must notify the department, in writing within thirty (30) calendar days of any change in permanent mailing address or telephone number.
(e) Altering a registration or certificate in any way is prohibited and is grounds for imposition of administrative penalties and/or sanctions.
(f) A registered technician is not required to be certified by the department, and may perform the same tasks as those performed by a certified technician.

Source Note: The provisions of this §75.73 adopted to be effective December 31, 2007, 32 TexReg 9963; amended to be effective April 1, 2011, 36 TexReg 1975; amended to be effective May 1, 2018, 43 TexReg 2401