r. 4
For the definition of "digital file" in regulation 105 of the Principal Regulations substitute —
' "digital file" means a file in a digital format, or electronic copy of such a file, which is created by a control unit and contains—
(a) digital images; and
(b) data indicating the date on which, and the time and place at which, the image was captured by a camera; and
(c) if the digital file is relevant to an offence of exceeding a speed limit, data indicating—
(i) the speed limit at that time and place; and
(ii) the speed of the vehicle to which the digital image relates; and
(d) if the digital image is relevant to an offence of disobeying a traffic control signal, data indicating the length of time for which that traffic control signal had been red; and
(e) the checksum for that file;'.