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What's the immigration card number?

The immigration document number is a unique number, which is used to identify the identity of the document holder. The immigration certificate number is similar to the ID card number and is the only number used to identify the identity of the certificate holder. It is issued by the immigration bureau or relevant departments of the country or region where it is located to prove the identity of the person who legally lives and works in that country or region. Immigration documents refer to a series of certificates and documents that individuals need when they move to other countries or regions. These documents are important documents to ensure that individuals can legally live, work and enjoy relevant rights and interests in their new residence. Common immigration documents include passport, residence permit or visa, permanent resident card or identity card, work permit, social security number or taxpayer identification number.