Division 2.1.1

The performance prescribed for braking systems shall be based on the stopping distance and the mean fully developed deceleration or only on one of those two quantities. The performance of a braking system shall be determined by measuring the stopping distance in relation to the initial speed of the vehicle and by measuring the mean fully developed deceleration during the test or only on one of those two quantities. Both stopping distance and mean fully developed deceleration or only one of them shall be prescribed and measured, following to the test to be performed.