Category 31 – process the reissue transactions programmatically, ensuring that the proper additional collection/refund amount is calculated. Category 31 includes data elements to support: Guaranteed Air Fare Principle, Reissue & Refund handling procedures, permitted changes to the itinerary, and the method allowed to be used when re-pricing the itinerary.
The key element that determines ‘how’ the fare is to be re-priced is the fares that may be used when re-pricing. The following are the different types of fares that may be used during the re-price process.