Laws of Cricket 1980 Code - Law 39
1. Out Stumped
The striker shall be out Stumped if, in receiving the ball, not being a no-ball, he is out of his ground otherwise than in attempting a run and the wicket is put down by the wicket-keeper without the intervention of another fieldsman.
2. Action by the Wicket-Keeper
The wicket-keeper may take the ball in front of the wicket in an attempt to stump the striker only if the ball has touched the bat or person of the striker.
Note
1. Ball Rebounding from Wicket-Keeper's Person
The striker may be out Stumped if in the circumstances stated in 1 above, the wicket is broken by a ball rebounding from the wicket-keeper's person or equipment other than a protective helmet or is kicked or thrown by the wicket-keeper on to the wicket.
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