Online Service Centre

Income Tax Return (T1) Online

Income Tax Return Adjustment (T1adj) Online

Individual Tax Number (ITN) Application Online

If you are not eligible for a Social Insurance Number (SIN), you may need to apply for an ITN if you need to File a Canadian tax return.

WHEN: 2 to 3 months before the “tax season” in March/April
PROCESSING TIME: 4 to 6 weeks

Apply for/Extend a Social Insurance Number (SIN)

If you are receiving either:

  • A work permit OR
  • an on-campus job offer (with a valid study permit)



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