the "no-charge zone" in Basketball is a little half-circle below the rim. once a player steps into that half-circle than a charging penalty cannot be called.
The introduction of a restricted, no-charge arc at the college and professional levels makes drawing offensive fouls more difficult by marking the minimum distance away a defender must stand to...
The no charge zone arc is a semi-circular arc drawn around the area directly underneath the basket. With some exceptions, members of the defending team cannot draw charging fouls in this area. The no charge zone arc in all North American rule sets above high school level ( NCAA men's and women's, NBA , and WNBA ) has a radius 4 feet (1.22 m) from below the center of the basket.
It is a strategic offensive area especially used against zone defenses. 4' Restricted Area In professional basketball there is a semi-circular 4' restraining area in front of the basket. No offensive charges can be taken by defenders when they are positioned on or inside this area.
The "No Charge Zone" is a half-circle underneath the hoop where defensive players are not allowed to draw offensive fouls. If the defensive player is inside the half-circle, or has a foot on the line when the offensive player runs into him, the defensive player is called for a blocking foul, even if he establishes a position under the hoop.
The area behind the arc, or the arc itself is called the "restricted area" (RA) in the NBA, the "restricted area arc" in the NCAA or NAIA and the "no-charge semicircles" in FIBA. Its purpose is to prevent secondary defenders from taking a position under the basket in an attempt to draw an offensive foul while a player is driving to the basket.
This area on the basketball court is known as the restricted zone. If a defensive player is inside the restricted zone, an offensive player who makes contact with him cannot be called for a charging foul. This rule change was added to make the game safer, more fair and easier to referee.
A four-foot arc underneath the basket under which players cannot draw charges. The rule is designed to prevent players from hanging below the rim while offensive players drive to the basket. A ...