I have found this........confused? You will be....
When out of bounds is defined by a line on the ground the line itself is out of bounds
It then carries on to say in the next paragraph...
a ball is out of bounds when all of it is out of bounds....

When out of bounds is defined by a line on the ground the line itself is out of bounds
It then carries on to say in the next paragraph...
a ball is out of bounds when all of it is out of bounds....