Sports – Official Rules for NBA

downloadA player must be in the Substitution Box at the time a violation occurs if the throw-in is to be administered in the backcourt. If a substitute fails to meet this requirement, he may not enter the game until the next legal opportunity.

EXCEPTION: In the last two minutes of each period or overtime, a reasonable amount of time will be allowed for a substitution. i. If a free throw(s) is awarded, substitutes are only permitted to enter the game prior to the final free throw attempt if the ball will remain in play or following the final free throw attempt if it will not remain in play unless necessitated by disqualification, injury or ejection or any other atypical situation.

j. No substitutes may enter the game after a successful field goal by either team, unless the ball is dead due to a personal foul, technical foul, timeout, infection control or violation. k. No substitutes are allowed to enter the game during an official’s suspension-of-play for

(1) a delay-of-game warning, (2) retrieving an errant ball, (3) an inadvertent whistle or (4) any other unusual circumstance.

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a. All periods of regulation play in the NBA will be twelve minutes.

b. All overtime periods of play will be five minutes.

c. Fifteen minutes will be permitted between halves of all games.

d. 130 seconds will be permitted between the first and second periods, the third and fourth periods and before any overtime period.

e. A team is permitted a total of 30 seconds to replace a disqualified player.

f. The game is considered to be in the two-minute part when the game clock shows 2:00  or less time remaining in the period.

g. The public address operator is required to announce that there are two minutes remaining in each period.

h. The game clock shall be equipped to show tenths-of-a-second during the last minute of each period.


a. A legal field goal or free throw attempt shall be scored when a ball from the playing area enters the basket from above and remains in or passes through the net. b. A successful field goal attempt from the area on or inside the three-point field goal line shall count two points.

c. A successful field goal attempt from the area outside the three-point field goal line shall count three points.

(1) The shooter must have at least one foot on the floor outside the three-point field goal line prior to the attempt.

(2) The shooter may not be touching the floor on or inside the three-point field goal line.

(3) The shooter may contact the three-point field goal line, or land in the two-point field goal area, after the ball is released.

d. A field goal accidentally scored in an opponent’s basket shall be added to the opponent’s score, credited to the opposing player nearest the player whose actions caused the ball to enter the basket.

e. It is a violation for a player to attempt a field goal at an opponent’s basket. The opposing team will be awarded the ball at the free throw line extended. f. A successful free throw attempt shall count one point. g. An unsuccessful free throw attempt which is tapped into the basket shall count two points and shall be credited to the player who tapped the ball in. h. If there is a discrepancy in the score and it cannot be resolved, the running score shall be official.

Section VII—Pivot

a. A pivot takes place when a player, who is holding the ball, steps once or more than once in any direction with the same foot, with the other foot (pivot foot) in contact with the floor.b. If the player wishes to dribble after a pivot, the ball must be out of his hand before the pivot foot is raised off the floor. If the player raises his pivot off the floor, he must pass or attempt a field goal before the foot is returned to the floor. If he fails to follow these guidelines, he has committed a traveling violation.

Section VIII—Traveling

Traveling is progressing in any direction while in possession of the ball, which is in excess of prescribed limits as noted in Rule 4—Section VII and Rule 10—Section XIII. Section IX—Screen A screen is the legal action of a player who, without causing undue contact, delays or prevents an opponent from reaching a desired position. Section X—Field Goal Attempt A field goal attempt is a player’s attempt to shoot the ball into his basket for a field goal. The act of shooting starts when, in the official’s judgment, the player has started his shooting motion and continues until the shooting motion ceases and he returns to a normal floor position. It is not essential that the ball leave the shooter’s hand. His arm(s) might be held so that he cannot actually make an attempt.

Official Rules for NBA — 2012-2013 season 8-27-2012, rev. 1: 9-5-2012, 9-6-2012 The term is also used to include the flight of the ball until it becomes dead or is touched by a player. A tap during a jump ball or rebound is not considered a field goal attempt. However,

anytime a live ball is in flight toward the rim from the playing court, the goal, if made, shall count, even if time expires or the official’s whistle sounds. The field goal will not be scored if time on the game clock expires before the ball leaves the player’s hand or the ball is in flight toward the rim.

Section XI—Throw-In

A throw-in is a method of putting the ball in play from out-of-bounds in accordance with Rule 8—Section III. The throw-in begins when the ball is at the disposal of the team or player entitled to it, and ends when the ball is released by the thrower-in.

Section XII—Last Two Minutes

When the game clock shows 2:00, the period is considered to be in the two-minute period.

Section XIII—Suspension of Play

An official can suspend play for retrieving an errant ball, re-setting the timing devices, delay-of-game warning, inadvertent whistle, instant replay, a seriously-injured player or any other unusual circumstance. During such a suspension, neither team is permitted to substitute and the defensive team may not be granted a timeout. Play shall be resumed at the point of interruption.


(1) Suspension of play for a player bleeding. See Comments on the Rules—N. (2) Seriously-injured player. Player must be removed and opponent is permitted one substitution.

Section XIV—Point of Interruption

Where the ball is located when the whistle sounds. Section XV—Team Control A team is in control when a player is holding, dribbling or passing the ball. Team control ends when the defensive team deflects the ball or there is a field goal attempt.Section XVI—Team Possession

A team is in possession when a player is holding, dribbling or passing the ball. Team possession ends when the defensive team gains possession or there is a field goal attempt which hits the rim.

Section XVII—Fumble

A player who is holding the ball and fumbles it out of his control may recover the ball. If his pivot foot moves to recover the ball, he must then pass or shoot the ball. If he fumbles and recovers it without moving his pivot foot and before the ball touches the floor, he retains his status before the fumble.

Section VI—Held Ball

A held ball occurs when two opponents have one or both hands firmly on the ball or anytime a defensive player touches the ball causing the offensive player to return to the floor with the ball in his continuous possession.

A held ball should not be called until both players have hands so firmly on the ball that neither can gain sole possession without undue roughness. If a player is lying or sitting on the floor while in possession, he should have an opportunity to throw the ball, but a held ball should be called if there is danger of injury.