ART. 1 . . . The game, quarter and each extra period begins when the ball becomes live as specified in 6-1-2 for a jump ball, throw-in or free throw.
ART. 2 . . . To start the game and each extra period, the ball must be put in play in the center restraining circle by a jump ball between any two opponents.
ART. 3 . . . To start the second, third and fourth quarters, the ball must be put in play by a throw-in under the alternating-possession procedure.