Texas Occupations Code - OCC § 1702.223. Alarm Systems Installer

(a) An individual acts as an alarm systems installer for purposes of this chapter if the individual installs, maintains, or repairs an alarm system or detection device.

(b) An alarm systems installer may sell, install, maintain, repair, or service an electronic access control device or a mechanical security device that is capable of activation through a wireless signal.  An alarm systems installer may not rekey an electronic access control device or mechanical security device that can be activated by a key.  This subsection does not apply to a mechanical security device or electronic access control device installed in a motor vehicle.