(1) the insurance contribution determined as follows:(a) where the probationary licence bears one or more of classes 4A, 4B, 4C and 5 and does not bear motorcycle classes, the insurance contribution is the product obtained by multiplying the monthly insurance contribution by the number of months, including parts of months, less 1, during which the holder is authorized to drive; the monthly insurance contribution is the quotient obtained by dividing by 24 the insurance contribution provided for in subparagraph a of paragraph 1 of section 28, based on the year of issue of the holder’s first probationary licence, the licence classes and the total number of demerit points entered on the holder’s record during the 2 years preceding the date of issue of the holder’s first probationary licence;
(b) where the probationary licence bears one or more of the licence classes authorizing the driving of a motorcycle and does not bear classes 1 to 5, the insurance contribution is the sum of the insurance contributions for the months, including parts of months, during which the holder is authorized to drive, except for the last month; the insurance contribution for a month corresponds to the percentage, determined in section 13, of an amount equivalent to half of the insurance contribution calculated under subparagraph a of paragraph 1 of section 28;
(c) where the probationary licence bears one or more of classes 4A, 4B, 4C and 5 and one or more of the licence classes authorizing the driving of a motorcycle, the insurance contribution is the sum of the following amounts:i. the insurance contribution calculated under subparagraph a;
ii. the insurance contribution calculated under subparagraph b, except that the total number of demerit points to take into account for the calculation may not be greater than 3 points;