[IREFU2]

I believe its at the disposal of the free thrower once it is bounced, caught and in control of the free thrower.

ART. 7 . . . A ball is at the disposal of a player when it is:

a. Handed to a thrower or free thrower.
b. Caught by a player after it is bounced to him/her.
c. Placed on the floor at the spot.
d. Available to a player after a goal.