2.4.

Any vehicle of category G will be deemed to satisfy the condition for the ground clearance set out in this Regulation, if the departure angle (ISO 612:1978) does not exceed:
(a)    10° for vehicles of categories M1G and N1G;
(b)    20° for vehicles of categories M2G and N2G; and
(c)    25° for vehicles of categories M3G and N3G;
over a width which is not shorter than that of the rear axle by more than 100 mm on either side (excluding any bulging of the tyres close to the ground).
Where there is more than one rear axle, the width to be considered is that of the widest. The requirements of subparagraphs (a) to (c) of this paragraph shall be satisfied at least on a line:
(a)    At a distance of not more than 450 mm from the rear extremity of the vehicle;
(b)    That may have interruptions summing up in not more than 200 mm

a1c0
2.4. Any vehicle of category G will be deemed to satisfy the condition for the ground clearance set out above, if the departure angle (ISO 612:1978) does not exceed: a0c0