Takes a
position 25 yards downfield. In general, favors the
tight end's side of field. Keys on tight end,
concentrates on his path and observes legality of
tight end's potential block(s) or of actions taken
against him. Is prepared to rule from deep position on
holding or illegal use of hands by end or back or on
defensive infractions committed by player guarding
him.
Back Judge times interval between plays on
40/25-second clock plus intermission between two
periods of each half; makes decisions involving
catching, recovery, or illegal touching of a loose
ball beyond line of scrimmage; is responsible to rule
on plays involving end line; calls pass interference,
fair catch infractions, and clipping on kick returns;
and, together with Field Judge, rules whether or not
field goals and conversions are successful.