10.10. Lane Timers. The Lane Timers shall:
10.10.1. Perform their duties in the lane assigned to them by the Head Timer.
10.10.2. Look at the starting device after the Referee gives control of the competitors to the Starter. Upon sighting the flash from the starting device they should start their watch. The only time sound should be used to start a watch is when the starting device does not have a visual signal.
10.10.3. Stop their watch immediately when any part of the competitor's body touches the pool or course.
10.10.4. Promptly report the time listed on their watch to the lane recorder and if asked, present the watch for inspection.
10.10.5. Not clear any time from their stopwatch until after all times (from their respective lane) have been recorded on the time cards.