19. Despite sections 9, 10 and 13, where public safety requires that snow be removed from a public road or that ice melter or abrasives be spread on a public road, in accordance with the requirements established by municipalities or the Ministère des Transports, a driver may drive up to 15 hours per work shift in accordance with either of the following options: (1) during a maximum of 2 consecutive work shifts, the driver subtracts the hours of rest required under the second paragraph of section 13 and adds them to the 8 consecutive hours of rest taken at the end of the first, second or third work shift if
(a) no driving time is done if the driver has accumulated 16 hours of service or 16 hours have elapsed since the conclusion of the most recent period of 8 consecutive hours of rest;
(b) at least 8 consecutive hours of rest were taken immediately before beginning the first work shift;
(c) the driver does not split the daily hours of rest in accordance with section 16 or 17;
(d) the total duration of the daily hours of rest taken in the 3-day period during which the 3 work shifts are performed is at least 30 hours;
(e) the total duration of the hours of driving during those 3 work shifts does not exceed 39 hours; and
(f) the driver indicates in the “Remarks” section of the daily log that the driver is subtracting hours of rest under this section, the option used to remove the time and whether it is the first, second or third work shift; or
(2) during a single work shift, the driver removes 2 of the 8 consecutive hours of rest taken at the end of the work shift and the hours of rest required under the second paragraph of section 13, and adds that time to the 8 consecutive hours of rest taken at the end of the second work shift in accordance with the conditions prescribed in clauses a to f of subparagraph 1.
A driver who has chosen an option may not choose the other option before the end of the third work shift.