Can You Claim the Capital Gains Deduction Twice in Canada?

If you farm or fish and are thinking of selling qualifying property, the lifetime capital gains deduction can shelter a large part of the gain. A common question is whether you can use it more than once, for example on one sale now and another later.

In short, it is a lifetime amount rather than a fresh allowance for each sale. This article explains how the deduction works, how farm and fishing property compares with small business shares, and what to confirm before you sell.

This article covers Canadian federal tax law, which applies in every province.

A lifetime limit, not a yearly one

The deduction is calculated on Form T657 and claimed on line 25400. A claimant must generally be resident throughout the year. It may be reduced by cumulative net investment loss, reported on Form T936, and by earlier exemption claims.

That is why the answer to the question is usually no: the same exempt amount cannot be claimed again. You may be able to use the deduction on more than one sale, but only until your available amount is used up.

How big is the exemption?

Budget 2025 confirmed the increase of the limit to $1.25 million of eligible capital gains for dispositions after June 24, 2024, and indexation resumes in 2026. The increase was not affected by the deferral of the inclusion-rate change. Because the claim form and legislation can change, confirm the current figure when you file.

The deduction figure is lower than the exemption because it is measured at the one-half inclusion rate.

Farm and fishing property versus small business shares

The deduction applies only to qualified small business corporation shares and qualified farm or fishing property. Shares must meet several tests. The share must be owned by you, a spouse or common-law partner, or a related partnership. It must not have been owned by anyone else, other than related persons, throughout the 24 months before the determination time. While owned, more than 50% of asset value must be active-business or qualifying connected-corporation assets, and the company must be a Canadian-controlled private corporation.

Farm and fishing property has its own definitions, based on how the property is used and who owns it. Those conditions are detailed and fact-driven, so confirm them with an accountant or lawyer before relying on the exemption.

Things that can shrink or complicate the claim

• Loss carrybacks: carrying a net capital loss back may reduce a capital gains deduction claimed in that year or later years.
• Gifts: a gift of capital property to someone other than a spouse or common-law partner is treated as a sale at fair market value, so the giver reports a gain or loss.
• Death: the deceased is considered to have sold capital property, and certain farm or woodlot transfers to a child can be treated differently.
• Reserves: for transfers to a child of family farm or fishing property, the reserve runs nine years, so the gain is included over 10 years. You generally cannot claim a reserve if you were a non-resident or sold to a corporation you control.

What to do next

• List past capital gains deduction claims, since earlier claims reduce what remains.
• Gather records showing how the property was used and who owned it.
• Calculate the gain: proceeds minus ACB and selling costs.
• Prepare Form T657, and Form T936 if it applies.
• Ask a lawyer or accountant to confirm the property qualifies and that the current limit is in force.

Do this before a sale agreement is signed, since the structure of a sale or transfer to a family member can affect the result.

Frequently asked questions