All fees, except passenger service charge , to be paid by commander of aircraft
13.—(1)  Except as approved in writing by the chief executive officer, all fees payable under this Order, other than the passenger service charge, shall be paid by the commander of the aircraft in respect of which the fees are payable without any demand being made before the aircraft departs from the aerodrome.
(2)  If any fee is not paid by the commander of an aircraft to the Authority in accordance with sub-paragraph (1), it shall be a debt due to the Authority jointly and severally from the owner and the commander of the aircraft in respect of which the fee is payable.
(3)  For the purpose of enforcing payment of any fee under this Order, the chief executive officer may refuse to permit an aircraft to take off from the aerodrome until the fee has been paid.
(4)  No abatement of any fee shall be allowed in the event of any aerodrome service, assistance or other facility being not available.
(5)  Except as provided in this Order, no exemption or remission shall be granted.