29.—(1) The total weight of—
(a)any Category 1 AILV carrying a load; or
(b)such of the vehicles comprised in a Category 1 AILV-combination as are carrying a load;
must be transmitted to the road through 5 or more axles.
(2) In relation to any Category 1 AILV or AILV-combination (including one falling within paragraph 28(3)), the axle weight for an axle of any description must not exceed the maximum authorised weight for an axle of that description determined in accordance with Schedule 3 to the Authorised Weight Regulations.
(3) Where a Category 1 AILV or AILV-combination is one to which the Authorised Weight Regulations do not apply, the reference to Schedule 3 of those Regulations is to be taken as a reference to the equivalent provisions of the Construction and Use Regulations.