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A person who has citizenship of a given country, either by birth or naturalization Also called citizen.

Native 3270 display

Refers to the IBM 3270 session mainframe screen display. Also called eConnect.

Negotiated Fares

Negotiated fares are private fares that are not publicly displayed and have limited distribution as designated by the fare owner. A key distinction between Negotiated fares and other private fares is that ATPCO will identify Negotiated Fares explicitly and indicate the type of fare amounts (Net or Selling) held in the file. ATPCO maintains many private fares that do not fall within the Negotiated Fares process. A data owner can have private fares that are both Negotiated and non-negotiated.


Negotiated Ticketing Agreement.

net fare amount

The amount a carrier is willing to accept from the agency (or consolidator) for a negotiated fare; that is, the amount that is remitted to the carrier by the agent through ARC/BSP after deduction of commission.

net net

The amount due to the airline for a passenger fare after payment of all commissions and incentives.

net submit amount

The amount that is remitted to the carrier by the agent through ARC/BSP after deduction of commission.


A batch of work to be made public by distribution in the next pull of the day. See also batch status.




When a carrier does not permit any other carrier to instruct or enter RBD data on their behalf for secondary transportation. The non-concurring carrier chooses to publish RBD data in its own Record 6 Convention 1 for secondary sectors where they are the transporting carrier. ATPCO assumes that all carriers are non-concurring unless the carrier provides a concurrence agreement to ATPCO.

non-directional fare

Fares that are published without a directional indicator (either on the fare record or footnote). Non-directional fares are usually domestic US/CA fares.


Non-European Community member.

  1. The status of provisions in a batch that have not yet been distributed through the subscription process.
  2. A tariff that is processed through GFS, but is not presented to any government as an official government filing.
nonstop flights

A service of transportation on the same flight number without any intermediate stops (stops includes gauge and funnel flights.)


National Transportation Authority (Aviation).


Neutral unit of construction. NUC is a common way to express fares around the world that will be established in the hundreds of different currencies of the countries of origin. It has replaced IATA's fare construction unit (FCU).