Getting started

You will put yourself as married. Because he is not in Canada and has never been here, you can select 000 000 000 for his SIN# and apply zero for his income, make sure you are not selecting "spousal amount" either. And please ensure you indicate that the children do not reside with you and ensure you are not claiming any "dependant" credits for your children.

Spousal amount ensure you answer NO because he is not in this country.