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Canadian Citizenship application - Income Tax multiple SIN

Cherry Kola

Full Member
Aug 28, 2018
42
14
Toronto
Visa Office......
Mississauga
Med's Request
15-08-2018
Med's Done....
28-08-2018
I have perhaps a bit of a dumb question.
I am applying for Canadian citizenship online an there is a section related to the Income Tax where I need to provide the 9-digit number you use to file your income taxes with Canada Revenue Agency (CRA).
There is only one field available so I have inputted my most recent SIN .
However I had some years as a temporary worker which I have filled my tax using the temporary SIN.

Do I need to provide these temporary SIN as well? There is no field in the application form to input those.

Thank you for your help in advanced.
 

keys8014

Hero Member
Feb 4, 2021
313
99
You can create a short letter (ms word/pdf file) and attach it on the additional documents section and explain that you had a different SIN before. Easy.
 

Alalac

Hero Member
Oct 2, 2021
596
314
I have perhaps a bit of a dumb question.
I am applying for Canadian citizenship online an there is a section related to the Income Tax where I need to provide the 9-digit number you use to file your income taxes with Canada Revenue Agency (CRA).
There is only one field available so I have inputted my most recent SIN .
However I had some years as a temporary worker which I have filled my tax using the temporary SIN.

Do I need to provide these temporary SIN as well? There is no field in the application form to input those.

Thank you for your help in advanced.
Questions are not dumb!! You don't need to provide previous SIN as they are linked to your new one! Good luck on your application
 
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Miss bee

VIP Member
Mar 24, 2020
4,964
1,646
I have perhaps a bit of a dumb question.
I am applying for Canadian citizenship online an there is a section related to the Income Tax where I need to provide the 9-digit number you use to file your income taxes with Canada Revenue Agency (CRA).
There is only one field available so I have inputted my most recent SIN .
However I had some years as a temporary worker which I have filled my tax using the temporary SIN.

Do I need to provide these temporary SIN as well? There is no field in the application form to input those.

Thank you for your help in advanced.
No need to provide old sin . Just provide your current sin number which you got after your PR status. Your Okd sin is automatically linked to your permanent sin number.
 
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