When FC/BC status begins

[Rob1968]

Originally Posted by bainsey

A-1 makes a bad cross-court pass that's easily stolen by B-2, who steals it with one hand and immediately starts a dribble.

Here's the crux: When B-2 starts this her dribble, she has a foot in the air, one in the FC (about 10 inches from the division line), and her dribble hits the division line. When did status begin, when she immediately touched the ball (resulting in a violation), or when the dribble is established (no violation)?

When A-1 made the errant cross-court pass, which was intercepted by a bat by B-2, was A-1 in her frontcourt - (B's backcourt) or was she in A's backcourt - (B's frontcourt) ?

It seems that the originating location of the ball could be significant, regarding a ruling of whether the interception by B-2 constituted a backcourt violation.