RULE 2 - SECTION 12
TIMER’S DUTIES

The timer must:

ART. 1 . . . Note when each half is to start and must notify the referee more than three minutes before this time so the referee may notify the teams, or cause them to be notified, at least three minutes before the half is to start.

ART. 2 . . . Signal the scorer three minutes before starting time.

ART. 3 . . . Be provided with a clock to be used for timing quarters, extra periods and intermissions, and a stopwatch for timing time-outs. The clock must be operated by the official timer. The clock and a stopwatch must be placed so that they may be seen by the timer. The clock must be started or stopped as prescribed in Rule 5-8 and 5-9.

ART. 4 . . . Sound a warning signal 15 seconds before the expiration of an intermission or a time-out, immediately after which the players must prepare to resume play, and signal again at the end of the intermission or time-out.

ART. 5 . . . Sound a warning signal to announce 15 seconds (maximum) permitted for replacing a disqualified or injured player, or for a player directed to leave the game.

NOTE: The official must signal the timer to begin the 15-second interval for replacing an injured player after the injured player has been removed from the court and the coach has been notified that a replacement is required, except as in 3-3-6.

ART. 6 . . . Stop the clock at the expiration of time for each quarter or extra period, and when an official signals time-out, as in 5-8. For an intermission or a charged time-out, start the stopwatch and signal the referee as outlined in Article 4.

ART. 7 . . . Indicate by signal the expiration of playing time in each quarter or extra period. If a red/LED light is used, the light is the official expiration of playing time.