TCN

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TCN

An initialism of "third-country national."
1. Someone who is not a national of a country within the European Union (EU), the European Free Trade Association (EFTA), or the European Economic Area (EEA). If we're from the UK, are we TCNs now, in light of Brexit? Unfortunately you're still considered a TCN in the eyes of the EU, so you can't just move to Italy for work.
2. An employee of an international company or organization who is not from the country where they are working nor from the country where their employer is based. No, I'm actually a TCN because I'm an Australian working in the UK for an American company.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.