This form (NAS 2120-05-04) can be printed for completion.
You must submit the completed application form to a Service Canada Centre or send it to us by mail. Remember that it is necessary to provide proof-of-identity document(s) and the fee for a replacement card. For details of how to apply for a SIN, refer to "How do I apply".
This form (TBC/CTC35-58) will enable you to request access to personal information held about you by the federal government. Using this form, you may request copies of your previously submitted Social Insurance Number applications.
Personal Information Request Form - Treasury Board of Canada