Hello, I was a permanent resident from 2005 to 2009 and during that period I had SIN number. In 2009 I lost my PR status as I didnt live 730 days in Canada. Now in 2019 I am again a Permanent Resident of Canada as I was Sponsored by my husband. Now I am wondering do I need to go to Service Canada to apply for new SIN number or my SIN number from 2005 is still active and working. On border I asked that question but CBSA officer told that he didnt know. Thank You