Accompanying passenger

The passenger who is travelling with the passenger on the fare being validated.

Account code

A unique code assigned by each carrier that identifies a particular fare programs contracted with a company for that carrier. Carriers may have multiple account codes for a single company.

Add-on

An amount used only with specified/published international fares for the construction of constructed/ unpublished international fares. (Also referred to as an arbitrary or proportional fare.)

Add-on category

Category 105, used to define the rule conditions for the constructing of unpublished (constructed) fares. Not used by the ATPCO automated fare construction process.

Add-on zone

A component of an add-on record that defines the geographic area of the published fare with which the add-on will construct. Applies to international fares only.

Adult

A person who has reached his or her twelfth birthday as of the date of commencement of travel.

Aggregator

An entity that collects related items of content and displays them or links them together.

All adds

A complete copy of an ATPCO data subscription product that is used by subscribers to initialize their database before processing changes or updates. All adds contains both effective and future effective data.

AllFares

A unit of data that contains worldwide international and domestic fares, add-ons, footnotes, rules, and routing data, but does not include travel to or from Canadian or US markets.

ALT GEN

See alternate governing rule.

Alternate governing rule

A governing rule that applies only when specifically invoked by the fare rule. Alternate governing rules are not referenced in the Record 0. Also called alternate general rule.

API

Application Programming Interface

Arbitraries

The fares (or rates) that may be combined with an international fare (or rate) published to a gateway to create a through-fare. Arbitraries may not be sold separately for travel and are usually published between points within the same country. Also referred to as add-ons or proportionals.

Arbitrary bucket

The text that defines fare class combinability. Arbitrary buckets may be fare class specific, generic (such as A***** and B*****), or default (******). The default bucket is often referred to as the negative or six-star bucket.

Arbitrary zone

Applicable to international tariffs only, a zone is a component of an add-on record that defines the geographic area of the published fare with which the add-on will construct.

Area

IATA divides the world into three areas, also referred to as Traffic Conferences (TC): Area 1: Western Hemisphere Area 2: Europe, Africa, Middle East Area 3: Asia, Pacific

ATPCO

Airline Tariff Publishing Company. A corporation owned by various airlines formed to serve as agent for those owners (and for other airlines or vendors) to file and publish tariffs and related products.

Automated Refunds

ATPCO Automated Rules Category 33 that automates the processing of rules and restrictions governing refunds for tickets.

Automated Reissues

ATPCO Automated Rules Category 31 that automates the processing of rules and restrictions governing exchanges for tickets.

Autopricing

An automated process used to price a ticket without human intervention, autopricing is the ability for a GDS to provide eligible fares for a passenger s itinerary by programmatically processing the data coded in the rules and footnotes.