I said I would provide links to the discussions of the Committee WRT unintentional misrepresentation. It has been raised with CIC's directorship, and the Committee 4 times since October 4th 2016:
October 4 2016 - Jenny Kwan (MP, Vancouver East): https://openparliament.ca/committees/immigration/42-1/30/jenny-kwan-1/ Video: http://www.parl.gc.ca/Committees/en/Redirects/ParlVuMeetingPage?MeetingId=9039187
October 20 2016 - Jamie Liew (Imm. Lawyer): https://openparliament.ca/committees/immigration/42-1/33/jamie-liew-1/ Audio Recording: http://www.parl.gc.ca/Committees/en/Redirects/ParlVuMeetingPage?MeetingId=9155113
October 27, 2016 - Vilma Filici (Rep. From CAPIC): https://openparliament.ca/committees/immigration/42-1/35/vilma-filici-9/ Audio Recording: http://www.parl.gc.ca/Committees/en/Redirects/ParlVuMeetingPage?MeetingId=9177974
November 24, 2016 - Salma Zahid (MP, Scarborough Centre): https://openparliament.ca/committees/immigration/42-1/41/salma-zahid-8/ Audio Recording: http://www.parl.gc.ca/Committees/en/Redirects/ParlVuMeetingPage?MeetingId=9245280
During this meeting, Ms Zahid stated:
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Right now we understand that children not included in the original immigration applications cannot be sponsored at a future date. This is even if the applicant was not aware of the child or did not intend to hide the child or misrepresent that on the application. Several witnesses raised cases where this rule caused hardships and unfairness. If given the flexibility, do you believe your officials would be able to determine between cases of fraudulent misrepresentation and innocent mistakes?
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Robert Orr, Asst Deputy Minister, Operations, Department of Citizenship and Immigration's response:
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The excluded family member clause is very much intended to prevent people who are not declared being sponsored at a later stage. It's to encourage full disclosure at the time of application and very much to help to prevent fraud, to protect the health, safety, and security of Canadians, and so on.
For those cases that are exceptional, there is the humanitarian and compassionate application process, which is available to those individuals. That is a safety valve, if you like, for those sorts of exceptional circumstances.
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All are worth a read. I will re-iterate that visiting the MP's office as soon as possible is the best option. They have free legal counsel in the office, and will be able to act as the most efficient representation to CIC.