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A set of fields in the Fare Manager Rules system for Combinations (Category 10) that provides access to and a summary of subcategory data.

Secondary passenger

The Secondary Passenger Type Code is used to indicate the PTCs that may be further discounted by the presence of Categories 19-22 in the actual Fare By Rule tariff.

Secondary portion of travel

A portion of travel of a fare component that is not determined as primary portion of travel.


In international fares, a portion of a journey covered by a single flight coupon. Also called segment.


In domestic US/CA fares, a portion of a journey covered by a single flight coupon. Also called sector.

Selling fare amount

The amount a passenger pays the agency (or consolidator) for the Negotiated Fare. Also called the Selling amount.

Selling updater

The person or organization who may update the Selling fare based on the Net fare and who makes the Negotiated Fare available for travel agents.


A continuous or related series. Mainly used in reference to the organization of data with categories in the FareManager Rules system.

Service Fees

ATPCO's suite of products that automates and centralizes the collection of ancillary fees for a wide range of secondary charges and services. The current suite of products includes Carrier-Imposed Fees, Ticketing Fees, Optional Services (including baggage allowance and charges), and Branded Fares.

Service Type Code

A code identifying the service for which a fee will be assessed. This code consists of a generic service code and a more specific Sub Code to further define the service. Optional Services uses the following six service types: flight-related service, ticket-related services, fare-related services, baggage allowance, baggage charges, and merchandise.


A Web-based workflow management tool that customers use to submit requests and inquiries to ATPCO Customer Service. Customers can then use their dashboard in ServiceManager to monitor the status of, or manage correspondence pertaining to, their requests.

ServiceManager request number

A system-generated ticket or reference number assigned to requests that are submitted to ATPCO Customer Service via ServiceManager.


The process by which interline partners allocate revenue on a ticket where each carrier operated a coupon.

Sideline city

The city that appears second in a market city pair. Also called destination city.


Sale inside, ticketing inside; sold and ticketed in country of journey origin


Sale inside, ticketing outside; sold in country of journey origin and ticketed outside country of origin.


Sale outside, ticketing inside; sold outside country of journey origin and ticketed inside country of origin.


Sale outside, ticketing outside; sold and ticketed outside country of journey origin.


(CTA) Special Permission. Reference to the approval number given by a government for an application. See also approval number.


1. (interline accounting) Special Prorate Agreement. 2. (CTA) Special Permission Application. A submission to the Canadian government on behalf of a carrier requesting permission to action revisions on less than the governmentally required statutory notice.