This form is used to calculate your allowable capital gains deduction if you disposed of qualified farm or fishing property or small business corporation shares in the year. Your lifetime exemption for dispositions of qualified farming or fishing property after April 22, 2015 has increased to $1 million. For qualified small business corporation shares, the lifetime limit is $813,600. To qualify, you must be a Canadian resident during a current tax year. The CRA may consider you a resident if you lived in Canada for part of the current year and throughout the previous or following tax year.