(a) Employment. A service technician shall be employed by a service company before that individual can perform device maintenance activities.(b) Responsibilities. In addition to the responsibilities and authority provided in the Code, Chapter 13, a service technician shall:(1) test devices to ensure compliance with this chapter;(2) use test standards that have been certified on an annual basis by the department or laboratory approved by the department; and(3) place a department-approved security seal on devices to prevent any unauthorized access to the adjusting mechanism unless otherwise authorized by the department.