26. No AILV or AILV-combination may exceed the restrictions as to weight that apply to a Category 3 AILV or AILV-combination.
27.—(1) An AILV falling within Category 1 must not exceed any of the maximum weights specified on any plate required to be fitted to it by regulation 66 of the Construction and Use Regulations.
(2) An AILV falling within Category 2 or 3 must not exceed any of the maximum weights (for the speed at which it is travelling) specified on the plate required to be fitted to it by paragraph 13.
(3) Sub-paragraph (2) does not apply to any trailer first used before 29th July 1983(1).
This is the date on which the Road Vehicles (Marking of Special Weights) Regulations 1983 (S.I. 1983/910) came into force.