A. The Starter, upon receiving clearance from the Referee (for all events except backstroke and medley relay) directs swimmers to step on to the starting block or platform and remain there. Refer to 101.3.1 for backstroke start requirements.

B. After the Referee's whistle, the Starter instructs the swimmers and directs them to "take your mark", to which they must immediately respond by assuming a starting position by moving with at least one foot to at the front of the starting block or platform.

C. At all USS Championship meets as defined in Article 206.1, the following FINA starting procedures shall be used:

[No change in balance of section]