Part II
When boats are on opposite tacks, a port tack boat shall keep clear of a starboard tack boat.
When boats are on the same tack and overlapped, a windward boat shall keep clear of a leeward boat.
When boats are on the same tack and not overlapped, a boat clear astern shall keep clear of a boat clear ahead.
After a boat passes head to wind, she shall keep clear of other boats until she is on a close hauled course.