What is the IRCC Client identification number

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IRCC’s client identification (client ID) number, also referred to as a unique client identifier (UCI), can be found on any official document issued by an IRCC office, case processing centre or a Canadian visa office outside Canada.

A client ID number can consist of up to 10 numbers (for example, 11-0000-0000).

This client ID number will need to be referenced for any communication with IRCC, or anything related to your Canadian immigration journey.

A person who has never dealt with IRCC before will not have a client ID number.


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