29-3. Stroke Play
If the partners play a stroke or strokes in incorrect order, such stroke or strokes shall be cancelled and the side shall incur a penalty of two strokes. The side shall correct the error by playing a ball in correct order as nearly as possible at the spot from which it first played in incorrect order (see Rule 20-5). If the side plays a stroke from the next teeing ground without first correcting the error or, in the case of the last hole of the round, leaves the putting green without declaring its intention to correct the error, the side shall be disqualified.