37.20. Until 31 December 2014, for a semi-trailer assembled before 1 January 2001, the width of at least 385 mm for the tires of single wheels provided for in section 13 for the self-steering axle belonging to class B.45 is decreased to 365 mm.
A vehicle benefiting from the decrease of the width of the tires of single wheels provided for in the first paragraph has its load limit referred to in section 14 reduced by 2,000 kg in the normal period and the period of thaw or rain.