(1) the insurance contribution determined as follows:(a) where the probationary licence bears one or more of classes 4A, 4B, 4C and 5, the insurance contribution exigible 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 in dividing by 24 the insurance contribution set under paragraph 1 of section 30;
(b) where the probationary licence bears one or more of classes 6A, 6B and 6C, the insurance contribution is the sum of 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 under section 14, of an amount equivalent to half of the insurance contribution, calculated under paragraph 1 of section 30;
(c) where the probationary licence bears one or more of classes 4A, 4B, 4C and 5 and one or more of classes 6A, 6B and 6C, the insurance contribution is the sum of these insurance contributions:i. that calculated according to subparagraph a;
ii. that calculated by adding together the 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 is calculated by applying the percentage determined under section 14 to an amount equivalent to half of the insurance contribution, set under paragraph 1 of section 30, for the holder of a licence bearing one or more of classes 6A, 6B or 6C with no demerit point;