^Blog Multiplying the Capital Gains Exemption with Your Kids – The Hidden Traps

For many Canadian business owners, the sale of a company represents the culmination of decades of hard work. One of the most effective strategies to reduce tax on that sale is the Lifetime Capital Gains Exemption (LCGE). When your corporation qualifies as a Qualified Small Business Corporation, the first $1,250,000 of gain per person can be received tax-free, resulting in roughly $300,000 of tax savings per individual.

Naturally, families often ask whether they can multiply that exemption by using a spouse and children. The short answer is yes, with the right structure. But as with most advanced planning strategies, there are important details that must not be overlooked. While many professionals talk about the opportunity to multiply the exemption, very few discuss the ongoing administrative reality and compliance responsibilities that come with it.

How the Strategy Works

To multiply the exemptions, a discretionary family trust typically owns the common shares of your operating company. When the business is eventually sold, the trust sells the shares and can allocate the resulting capital gain among its beneficiaries, often you and your spouse, and sometimes even your children.

This allows multiple family members to use their LCGE, potentially generating hundreds of thousands in tax savings. At first glance, it’s a powerful planning opportunity.

But here’s the nuance many people miss: if you use a child’s exemption, the trust must make the taxable portion of that gain payable to the child. For a $1.25 million exemption, that means creating a $625,000 promissory note or paying cash directly. This isn’t optional; the CRA expects that the child will eventually receive that amount.

If the sale proceeds remain inside the trust and are invested to create future income-splitting opportunities, the trust will have dividend, interest, and capital gains income. Trusts cannot retain this income without facing tax at the top marginal rate, so the trustee will often allocate it out to beneficiaries each year.

When income is allocated to the child, the promissory note must be increased, unless the income is actually paid to them in cash. Conversely, whenever the trust pays for an expense benefiting the child – tuition, a home down payment, or investments – the promissory note is reduced to reflect repayment.

This means the promissory note becomes a constantly moving number. Every allocation increases it. Every payment decreases it. And every adjustment must be supported by receipts, records, and proper calculations. Over time, this becomes a detailed tracking exercise that requires disciplined bookkeeping and annual trustee resolutions documenting allocations, payments, and promissory note changes.

If a family does not have a planning team capable of managing this compliance – accountants, lawyers, and advisors working together – this strategy can quickly become overwhelming. Poor tracking or missing resolutions may jeopardize the tax benefits and create significant exposure in an audit. Caution is required before ever going down this path.

When Using Your Child’s Exemption Makes Sense

There can be significant tax benefits, but only if the financial intent aligns with your family goals. If you plan to support your children with private school tuition, a future home purchase, or early investments, using their exemption can be a smart long-term strategy.

However, using a child’s exemption simply because the planning community promotes it can lead to unintended obligations. Understanding both the advantages and the hidden traps is essential.

At Three60 Wealth, our Family Office approach helps business owners navigate these complexities with clarity, structure, and confidence, ensuring your planning truly supports your family’s future.

Authored by: Jason Nagel, Director of Advanced Planning at Three60 Wealth