Decision 6-4/2.5 Rule 6-4 stroke Decision 19-2 in the Rules of Golf 20-3d/1 Decision 19-2 in the Rules of Golf hazard Decision 19-2 in the Rules of Golf USGA Rules & Decisions hazard Decision 18-1/12 Rule 14-3 Rule 6-4 course USGA Etiquette 101 Decision 6-4/2.5 hazard Decision 19-2 in the Rules of Golf Rule 14-3 stroke USGA Rules hazard