PROHIBITED PRACTICES.

(a) An individual or firm may not:

(1) engage in the business of installing or servicing portable fire extinguishers without holding a registration certificate;

(2) engage in the business of planning, certifying, installing, or servicing fixed fire extinguisher systems without holding a registration certificate;

(3) install, service, or certify the servicing of portable fire extinguishers or plan, certify, service, or install fixed fire extinguisher systems without holding a license;

(4) perform hydrostatic testing of fire extinguisher cylinders manufactured in accordance with the specifications and requirements of the United States Department of Transportation without holding a hydrostatic testing registration certificate;

(5) obtain or attempt to obtain a registration certificate or license by fraudulent representation;

(6) install or service portable fire extinguishers or plan, certify, service, or install fixed fire extinguisher systems in violation of this chapter or the rules adopted and administered under this chapter;

(7) except as provided by Subsection (b), install, service, or hydrostatically test a fire extinguisher that does not have the proper identifying labels;

(8) sell, install, service, or recharge a carbon tetrachloride fire extinguisher; or

(9) except as provided by Subsection (b), lease, sell, service, or install a portable fire extinguisher, a fixed fire extinguisher system, or extinguisher equipment unless it carries an approval label or listing label issued by a testing laboratory approved by the department.

(b) The commissioner by rule shall permit an individual or firm to service a portable fire extinguisher regardless of whether the extinguisher carries a label described by Subsection (a).