T936: Calculation of Cumulative Net Investment Loss (CNIL)

The T936 form calculates your cumulative net investment loss (CNIL) for your investment income or investment expenses. Your CNIL is how much more your investment expenses were, compared to your investment income. It’s used to calculate the capital gains deduction that you can claim on the sale of qualified capital property.

Your CNIL reduces your cumulative gain limit and it might affect the amount of capital gains deduction you’ll be allowed for the year. Even if you’re not claiming a capital gains deduction, you’ll need to complete this form if you had investment income or investment expenses.

Note: Since the CNIL is a cumulative total, make sure keep a record of your completed T936 in case you need to reference it in the future.

If you’re a Québec resident, you’ll need to complete the TP-726.6-V: Cumulative Net Investment Loss form before you calculate your CNIL.