iv . If the deadhead is scheduled for more than 16 hours duty, the following shall apply:
(a) The flight must be a non-stop flight; and
(b) A special booking priority shall apply to deadheads scheduled over 16 hours . That priority shall be:
(1) Discounted first class;
(2) Full fare first class;
(3) Business class .

vi. Regardless of the class of service actually ticketed, a pilot’s deviation bank shall be credited with the Baseline Fare for the highest class of service which is authorized on the scheduled deadhead flight, and which exists on that flight.