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Glossary - B

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An adjustment after BSP/ARC has reported to the airline. Also called post-reporting.

baggage allowance

A provision that governs the number of pieces or weight of baggage that may be carried free of charge.

baggage charges

A provision that governs the charge for baggage and special items that do not fall within the passenger’s baggage allowance.

Banker's Selling Rate

The rate at which, for the purpose of the transfer of funds through banking channels (that is, other than transactions in bank notes, travelers cheques and similar banking instruments), a bank will sell a given amount of foreign currency in exchange for one unit (or units) of the national currency of the country in which the exchange transaction takes place.

base amount

1. An amount representing the highest selling local fare used in certain markets under the IATA Multi-lateral Proration Agreement. Base amounts are published in the IATA Prorate Manual—Passenger (PMP).

2. A base fare used in Category 25 as a calculation tool to produce Net or Selling amounts.

base fare

1. The fare amount excluding taxes and other charges. However, charges resulting from Stopovers (Category 8), Transfers (Category 9), and/or Surcharges (Category 12) processing are included in the base fare. This amount appears in the “fare” portion of the Fare Box on the ticket.

2. A fare or fares used as a basis for calculating other fare amounts to create a resulting fare in Category 25 or in Categories 19–22. This may also be the fare amount filed in the Fare Record


A unit of work containing a group of transactions that are entered and released to the file, used for describing a set of instructions that are being implemented. Every batch is identified by a 2-character alphanumeric code (based on batch ID of user) plus a control number assigned by the system. The batch header specifies the proposal number, tariff, carrier, effective date of transactions, and the batch status (public, private, or incomplete). See also batch processing.

batch number

A number preceded by the alphanumeric ID code of the compiler or airline and assigned sequentially by the computer. This number goes on a batch sheet or is used online to be associated with a group of updates or transactions.

batch sheet

The cover sheet of a computer offline job used to identify the program and the person requesting the job.

batch status

This status applies to all transactions in an online batch. Whenever you release a batch to update the master file, you assign a status to that batch. The three status types are public, private, and incomplete. There are also implementation status terms associated with batches: hold until nightly, next, and secured.


Booking Code Exception Table.


Batch construction. Skeletals (individual records that allow for a construction to occur) used in the fare construction process.

bilateral agreements

An agreement between two nations concerning rate or fare levels. This, in some instances, supersedes normal filing requirements for the DOT. Also refers to special prorate agreements between two carriers.

billing and settlement

Financial completion of the transaction which ensures that the airline performing the service receives the funds for the airline selling the service.

blank screen

A function that allows new fares to be added to a fares batch.


The reservation of a fare or fee product for an itinerary by a customer.

booking code

One or two letters functioning as an inventory control code. Also called the reservation booking designator (RBD) or prime booking code, it specifies the class of service a passenger should be booked in to receive the fare.


Business Process Outsourcing.

Branded Fares

Product that allows carriers to group and name fares by fare families, fare types, or other criteria and supports ancillary revenue development.


The process of converting certain western hemisphere passenger international records to the domestic local and joint record format for inclusion in the domestic US/CA local and joint subscription services. Obs.


Billing Settlement Plan; the IATA entity responsible for settling funds and reporting accountable information between the travel agency and the airline for fares sold outside the United States, as well as for controlling accountable ticket stock. BSPs are usually organized by country.

BSP method

In coding Category 35, an ATPCO value of 1–5 or blank used to describe to the subscriber which Net Remit Reporting procedure should be used at time of ticketing. The five method types available in Category 35 are based on the seven IATA-established method types.


Bulk Unitization Charge.


See arbitrary bucket.

bucket (inventory)

A number in the inventory display that shows how many seats per RBD are available on each flight. This number is a single digit; 9 is the default.


A primary method of communication between ATPCO and customers. Notifications are e-mailed to participants whenever bulletins are posted on the Customer Center extranet site.

bundled fare

Any fare, public or private, that includes all taxes and fees as part of its distributed price. See also unbundled fares.

bundled normal economy fare

The lowest one-way fare available for unrestricted, on-demand service in any city-pair market.

business intelligence

The process and practice of turning data from a production environment into actionable information to improve company performance.


A portion of a field in an electronic database.