Which of following statement is incorrect regarding the Allowable Business Investment Loss $($ABIL$)$

Question $5$Select one:

a$.$

Unused ABIL will expire after $10$ years and converted back to non capital loss.

b$.$

Unused ABIL can be carried back $3$ years.

c$.$

ABIL can reduce any source of income.

d$.$

Unused ABIL will expire after $10$ years and converted back to net capital loss.