Which vehicle is required to fit chains or cables and lamps during "lighting-up time"?

1. AA vehicle whose total length is more than 20 metres and whose width is more than three metres.
2. BA vehicle in which long loads protrude from the loading platform.
3. CAny vehicle carrying an oversize load and requiring the approval of a police officer.
4. DA trailer or semi-trailer whose width is more than 120 cm, intended for carrying long loads and having no floor or sides.

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