Definition
A tax identification number is the personal number used by tax authorities to identify an individual for payroll, income tax, social contributions, and administrative records. Many workers receive it automatically after address registration, while other countries require a separate application or appointment. Even when a permit has already been granted, everyday employment usually cannot function smoothly until the correct tax identifier exists in the national system.
Related terms
Address Registration
The post-arrival administrative step where a new resident reports their home address to the local authority so other systems can recognise their residence.
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Aufenthaltskarte
Die physische Karte oder das Genehmigungsdokument, das den rechtmäßigen Aufenthaltsstatus einer Person und gegebenenfalls ihr Recht auf Arbeit belegt.
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Social Security Number
A personal insurance or contribution number used for payroll, healthcare, pensions, and other social-protection systems.
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