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Glossary - J

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JavaScript

A scripting programming language most commonly used to add interactive features to Web pages.

JCL

Job Control Language.

journey

All points on the ticket. Also called itinerary.

journey calculation

The first step in fare quotation, involves using the schedule data to create all possible itineraries using the parameters consumers enter through the system by the shopping or Internet booking front-end system.

journey turnaround

The farthest fare break or stopover on the journey that is uniquely defined in the Services Records for Carrier-Imposed (YQ/YR) Fees and Ticketing Fees (OB).

JPSC

Joint Passenger Services Conference; the group that meets annually to approve the JPSC Resolutions changes that become effective on 1 June of the following year.

JPSC Resolutions

Rules documented in the JPSC Resolutions Handbook that govern passenger service for airline-to-airline and airline-to-travel agency relationships.

JPTC

Joint Passenger Ticketing Committee; reports to the JPSC and determines resolution changes relating to ticketing practices.

justification

The economic reason that a carrier wishes to make changes to its rates or fares. All filed changes must be justified either on statutory or short notice.