If a passenger purchased a ticket before July 21, 2014, changed the original itinerary and the ticket was re-priced after July 21, 2014, the carrier must treat the itinerary change as a new purchase and charge the revised September 11 Security Fee.
If a passenger purchased a ticket before July 21, 2014, and changed the amenities of that ticket after July 21, 2014, the carrier must not treat the transaction as a new purchase. The carrier will continue to collect the fee as in effect prior to July 21, 2014. Amenities include seating changes, meals, or other items not related to air transportation.