No you don't have to. Only application received after 27th/28th October 2014 by CIO will have to do that.bombardier said:Hello,
We have sent the application and it reached on Aug 18 2014.Please do let me know whether I have to send the updated IMM 5612 form to Nova Scotia.
Thanks in advance.
CIC may consider leniency up to 30th October 2014 for applications who are in transit when the form was updated.