Employers may speak with Service Canada’s Social Insurance Registration office at 1-800-206-7218 to verify the SIN assigned to their present or former employees. You will be required to provide your business number (issued by Canada Revenue Agency), as well as appropriate identification for the company and the SIN holder.
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My friends, love is better than anger. Hope is better than fear. Optimism is better than despair. So let us be loving, hopeful and optimistic. And we’ll change the world. -- Jack Layton