It is a payment network privately owned by the world's airlines, which helps to settle payments for air and rail travel, service fees, management fees and net fares.

It is also known as CCCF (Credit Card Charge Form). It is a ticketing method specified by IATA BSP (International Air Transport Association's ticket payment system), and payment of ticket prices, airport facility usage fees and fuel surcharges collected at the time of ticketing. Will be settled directly between you and the airline through your credit card.

The billing statement from the credit card company will state the airline name (or IATA BSP) as the billing source.