After a driving period of four and a half hours a driver shall take an uninterrupted break of not less than 45min, unless he takes a rest period.This break may be replaced by a break of at least 15min followed by a break of at least 30min each distributed over the period in such a way as to comply with the provisions of the first Paragraph.A driver engaged in multi-manning may take a break of 45min in a vehicle driven by another driver provided that the driver taking the break is not involved in assisting the driver driving the vehicle.