Several valuable tax credits available to Canadian taxpayers have time limits or seasonal deadlines in 2026. If you claim credits like the Canada Employment Amount, Tuition Credit, Disability Tax Credit, or certain medical expense claims, you need to act before specific cutoff dates or lose the benefit entirely. Understanding when these credits expire and how to use them can save you hundreds or thousands of dollars. Canadian tax credits aren't all permanent. Some have carry-forward limits, some must be used in specific years, and some lose value if you don't claim them strategically. If you're a student or parent paying for post-secondary education, the Tuition, Education, and Textbook amounts can be claimed. Here's what matters seasonally: Credits must be claimed in the year the institution issues your T2A form (usually by February) Unused tuition credits can be carried forward indefinitely, but only to future years when you have taxable income If you're not using them, consider transferring them to a parent or spouse before the tax year closes Unclaimed tuition amounts expire if the student doesn't file a return within the normal filing window Use our RESP Calculator to plan education savings and understand how education credits fit into your
Some credits carry forward indefinitely (like tuition credits), while others can only be used in the year claimed (like medical expenses). A few credits, like certain pension income amounts, cannot carry forward at all. Check the CRA website for your specific credit type.
Medical expenses claimed on your 2026 return must have been paid between June 16, 2025 and June 15, 2026. Expenses paid after June 15, 2026 will be claimed on your 2027 return instead.
The CRA will send a notice when your DTC certificate is set to expire. You should apply for renewal before the expiry date to avoid losing the credit. If renewal is needed in 2026, aim to submit by June 30 to maintain coverage for that tax year.
Yes. If you can't benefit from tuition credits because you have no taxable income, you can transfer up to $5,000 worth to a parent or grandparent, or carry the rest forward to use in future years when you earn income.
Charitable donation receipts don't expire, but you can only claim donations in the year given or the immediately following year. Plan strategically by bunching donations in years when you have higher income to maximize the credit benefit.