(1)  A person who installs, alters or operates an average-speed camera system, or an apparatus or component forming part of an average-speed camera system, must test the system to ensure that it is operating correctly as soon as practicable after the following actions take place:

(a) the person installs the system, apparatus or component at a location;

(b) the person commences operating the system at that location;

(c) the software used by the system to calculate average speed, or to detect the presence of a vehicle, is changed or updated;

(d) the person repairs or replaces any apparatus or component that forms part of the system.

(2)  An average-speed camera system is taken to be operating correctly for the purposes of this regulation if it is capable of –

(a) being operated in accordance with regulation 12 ; and

(b) providing evidence that the photographic detection device at each detection point at which the system operates is synchronised with each other such device.