RULE NO. 5—SCORING AND TIMING
Section II—Timing
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. 100 seconds will be permitted for regular timeouts and between the fourth period and/or any overtime periods. 130 seconds will be permitted between the first and second periods and the third and fourth periods.
EXCEPTION: Rule 5—Section VII—g.
e. A team is permitted 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 regulation and any overtime periods.
h. The game clock shall be equipped to show tenths-of-a-second during the last minute of regulation or overtime periods.
