I have become a permanent resident of Canada in 2018. I had entered Canada as a permanent resident in 2018 and had stayed in the country for only 4 days as a permanent resident. Within the 4 days of stay I have also got my SIN and opened bank accounts. I however had no income in Canada for 2017 and presently do not live in Canada. I however plan to return back to Canada in 2018 and settle down and find work and start living in Canada. My question is do I have to file my taxes for 2017?