Determines how many miles or points are earned based on the fare paid For example, to accumulate mileage on some airlines, you must pay a published full-fare rate; some programs do not award miles for highly discounted fares Some hotels require that you pay corporate rates or higher to accrue points
Specific code comprised of alpha, numeric or the combination thereof that identifies each published airline tariff fare
The specific fare for a ticket at a designated level of service; specified by one or more letters or by a combination of letters and numbers Example: The letter "Y" designates coach service on an airline