Tax filing isn’t required by everyone, but, for very good reasons, every adult in Canada should file a T1 tax return. Most people will file a tax return to get their tax refunds – an average of $2,260 last tax year. Even those with no income should do it to tap into refundable tax credits and reserve important investment room in various tax-preferred accounts. Some minors with actively earned income should do it too to preserve RRSP room. But who absolutely must file? You may be surprised, especially if you are behind a year or two. Check it out: