Division 2.2.1 F1
United Kingdom
The sum of the technically permissible maximum mass at the front coupling point plus the technically permissible maximum mass on the solo axles and/or group(s) of axles plus the technically permissible maximum mass at the rear coupling point shall be not less than the technically permissible maximum laden mass of the vehicle.
M ≤ Σ [m 0 + m i + m c ] or M ≤ Σ [m 0 + μ j + m c ].