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Old Thu Jan 21, 2010, 10:14am
Scratch85 Scratch85 is offline
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Join Date: Dec 2008
Posts: 569
Officials Manual

Page 70. 3.4.2C(4)(d)

If player-control or team-control foul, use the appropriate player- or team-control signal, and only if necessary, the additional foul signal to communicate the type of foul.

I'm not sure what makes it necessary but most will probably recognize it when it is necessary.
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