Division 3

In use:

1. (a)

   distance travelled:

   4 % more or less than the real distance, where that distance is at least one kilometre;

2. (b)

   speed:

   6 km/h more or less than the real speed;

3. (c)

   time:

   • ± two minutes per day, or

   • ± 10 minutes per seven days.