# Foreign National Identifier

**IRI:** https://folio.openlegalstandard.org/RDPUgRrmHlGPHfMKo0bWR6N

## Labels

**Preferred Label:** Alien Number

**Alternative Labels:**

- A-Number

## Definition

Foreign National Identifier refers to a unique identification number or code assigned to non-citizens by a country's immigration or governmental agency. In the United States, this is commonly known as the Alien Number or A-Number, which is used to track immigration cases and statuses. These identifiers appear on official documents such as green cards, visas, and employment authorization documents.

## Sub Class Of

- https://folio.openlegalstandard.org/R8xgHnZw9VbPFOSxm4zCWWt

**Deprecated:** False