For detailed information on specific topics within the Airfares (City Pair Program), here are Fact Sheets for the user's convenience:

• Airport choices;
• Baggage allowance;
• Booking engines;
• Business class;
• Change fee;
• Code share;
• Contractors;
• Dual fares;
• Fuel surcharge;
• Groups;
• Paper tickets;
• Payment;
• Refunds for partially or unused tickets;
• Reservists; and
• Seat choice.

For more information, visit Frequently Asked Questions or email onthego@gsa.gov.