Helm orders

No person on any British ship registered in Belize shall when the ship is going ahead give a helm or steering order containing the word “starboard” or “right” or any equivalent of “starboard” or “right”, unless he intends that the head of the ship shall move to the right, or give a helm or steering order containing the word “port” or “left”, or any equivalent of “port” or “left”, unless he intends that the head of the ship shall move to the left.