Ok, say, team A kicks the ball out on the full. Team B is awarded a free kick. Umpire locates the player (Bob) taking the kick to start behind the mark, outside the boundary. Bob sizes up his options. Umpire calls "move it on". Bob ponders. Umpire says "play on". Bob stands motionless with the ball (still outside the boundary). What happens? Is it a throw-in? I've seen situations where "play on" is called and Bob proceeds to kick the ball in, so a throw-in is not automatic.
(Extra credit if you can quote the rule that covers this.)
(Extra credit if you can quote the rule that covers this.)