Information and Services for International and Non-resident:
Individuals
Tax and filing information for newcomers, emigrants, international students, government employees living outside of Canada, and non-residents
Please read the onformation above, which comes fro CRA website. I believe that you need to send tax return to te address below:
International Tax Service Office
2204 Walkey Road
Ottawa ON K1V 1A8
I am not 100% for sure. it is better to make a phone call before you send it out.