Closley Gaurding Call

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I've seen some talk about this and I was asked to be a third man last week because my director had an eye infection but still insisted on calling the game so they asked me to jump in at the last second as a third guy (I Love three man!) But he called the closely gaurded and I asked my partner for the next game who called basketbll back when it was the Southwest Officials Assc. (Its now TASO- I am in TEXAS!) So maybe some of you texas guys can explain this too me so I dont get blind sidded by a coach if he's riding me for the call.

In my head this is what I take it to be....
If a player picks up the dribble or has a guy 3-6 within range of him and he's dribbling with no forward progress start counting 1.... 2..... 3.... 4.... 5..... -at five call him for 5 seconds and reward the ball to the defense? OR is it when someones made him pick up the dribble and the guy cant get rid of it 5 seconds give ball back to the offense. I checked NCAA rulebook and it didnt make much sense so can somoen please fill me in. Thanks