(1) The timekeeper supplies the sounding devices and timing equipment.
(2) The sounding device shall be placed at the ring no higher than the level of the ring or cage platform and be of a clear tone so that the contestants and officials may easily hear it.
(3) Equipment shall include, but is not limited to, two accurate stopwatches, whistle, hammer or clapper, and bell or horn.
(4) The timekeeper shall be seated at ringside or cageside with the sounding devices and shall indicate the beginning and ending of each round by sounding the device.
(5) Ten seconds before the beginning of each round the timekeeper shall blow the whistle as a warning for everyone but the referee and participant to leave the ring.
(6) Ten seconds before the end of each round the timekeeper shall notify the referee that the round is ending by striking a hard surface with a hammer or other similar object.
(7) When a contest terminates before the scheduled rounds are completed, the timekeeper shall inform the inspector of the exact duration of the contest.
(8) The timekeeper shall stop time on the referee's command of "time-out" and shall restart on the referee's command of "time-in" or "fight."