Unique Client Identifier (UCI), is also known as a client identification number (client ID). It’s on official documents you get from Immigrant, Refugee and Citizenship Canada (IRCC). It has either:

  • four numbers, a hyphen and four more numbers (Example: 0000-0000) or
  • two numbers, a hyphen, four numbers, a hyphen and four more numbers (Example: 00-0000-0000)

Samples of “where you can find your UCI number?”

  1. Find UCI number on your Permanent Resident Card:

2. Find UCI number on your Landing Document/IMM1000/5292/5688

3. Find UCI number on your Notice of Decision Letter: