(1) Except for linked bingo prize games, operators must draw bingo balls on the premises and in the presence of players.

(2) After drawing a ball, the caller must immediately display the number of the ball to players.

(3) Operators must call the number before another ball is drawn. After it is called, the operator must light the number on the flashboard(s), if they have one.

(4) If the number on the ball is not applicable to the game being played, operators may choose not to call the number.