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Allowable Business Investment Loss (ABIL)
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Glossary  -> Allowable business investment loss

Allowable Business Investment Loss (ABIL)

An allowable business investment loss (ABIL):

bullet is 50% of a business investment loss
bullet is treated differently from allowable capital losses in that it can be used to reduce all sources of income
bullet can be carried back or carried forward as a non-capital loss.  See the glossary item non-capital loss for carry-back and carry-forward periods.
bullet if unused after 10 years can then be treated as a net capital loss and carried forward indefinitely to be deducted against taxable capital gains

For further information see Business investment loss on the Small Business page.

Revised: October 26, 2023

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