CAT 1 - Eligibility, Fare component
Category 1 is used to define the identification requirement and age range for a particular passenger type, if such conditions exist. This will be supplemental information that further defines the passenger type assigned in Fare Class Application.
Assumption: If not present in the fare rule, there are no specific eligibility requirements.
CAT 2 - Day/time application, Fare component.
Category 2 defines the days and/or times when travel is permitted. The day/time provision is assumed to apply to each Trip Origin (i.e., each Fare Component Origin), scheduled to depart during the specified time period.
Assumption: If not present in the fare rule, then travel is permitted at any time on any day of the week.
CAT 3 - Seasonality, Priceable unit/journey.
Category 3 is used to specify Seasonal and Promotional date restrictions. The Seasonality provision applies to the scheduled departure from the Priceable Unit origin.
Assumption: If not present, then the fare is valid for the entire year.
CAT 4- Flight Application, Fare component.
Category 4 - Flight Application indicates a fare is only valid on specified flight numbers, via certain locale points, or on certain flight service/equipment types.
Assumption: If not present in the fare rule, there are no flight restrictions unless specified in the transfer provision or routing map.