Sec. 7. (a) A supplier may not:
(1) repair; or
(2) install;
an automatic garage door opening system in a residential building unless the system passes the onsite test described in section 8 of this chapter.
(b) This section does not prevent the servicing or repair of an automatic garage door opening system if, after the repair or service:
(1) the system complies with subsection (a); or
(2) the supplier complies with section 8 of this chapter.