Example 1: Air transportation from Washington to Chicago to Los Angeles with a stopover only in Los Angeles and returns via the same route purchased before July 21, 2014, is charged a $10 fee. If the passenger changed the itinerary to Washington to Los Angeles with only a stopover in Los Angeles and returned via the same route and the ticket is re-priced after July 21, 2014, the carrier must charge the revised September 11 Security Fee of $11.20.
Example 2: Air transportation from Washington to Chicago to Los Angeles purchased before July 21, 2014, is charged a $5 fee. If the passenger changed the itinerary to Washington to Los Angeles and the ticket is re-priced after July 21, 2014, the carrier must charge the revised September 11 Security Fee of $5.60.
Example 3: Air transportation from Washington to Chicago to Los Angeles purchased before July 21, 2014, is charged a $5 fee. If the air carrier changes the itinerary to Washington to Los Angeles after July 21, 2014, due to an involuntary re-route, neither the carrier nor the passenger is liable for a revised September 11 Security Fee. The fee remains $5.00.