Everybody keeps trying to make it too hard.
The bowler is up on 14. If you have been observing the person get up on 13's approach to loft the cap to bowl on 14 and he throws it accross the foul line it is a shot regardless of which lane the ball lands on.
The bowler is up on 14. If he has been using the same approach as the lane he has been bowling on thru the night, he is on 13's approach and throws it over the foul line then he bowled on the wrong lane regardless of where it went.
The bowler is up on 14. You have been observing him lofting the gutter cap all night on 14, he doesn't make it over the cap and lands on 13 and claims he was up on the wrong lane. You then club him like a baby seal.
4a. Legal Delivery
A delivery is made when the ball leaves the player’s possession and crosses the foul line into playing territory.
Every delivery counts unless a dead ball is declared. (See Rule 8.) A delivery must be made entirely by
manual means. No device may be incorporated in or affixed to the ball that detaches on delivery or is a moving
part during delivery except as provided in Rules 4b and 4c.