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Amended T2 return (T2 adjustment request)

An amended T2 return, which the CRA treats as a request for a reassessment, is how a corporation asks the Canada Revenue Agency to change a T2 return that has already been assessed, for example to correct amounts or to add information it left out.

A buyer or seller meets this when diligence shows that a prior-year T2 return does not match the financial statements. The CRA says a corporation may request changes to an assessed T2 return if it needs to correct amounts or forgot to include information. A reassessment can change the tax owing, including interest and penalties, or the refund. See what to do if the financials do not match the tax returns.

How the request is made

The CRA calls the process requesting a reassessment and says doing it electronically is the fastest way. It also accepts bar codes from the return, or a letter to the tax centre that names the corporation, its business number and the tax year, with supporting documents such as revised financial statements. Loss and credit carrybacks use specific schedules.

What to ask

  • Whether the corporation has filed a request for any year, and what the CRA’s response says
  • Which tax years the change touches, and whether it moves tax owing, interest or penalties
  • Whether the affected year is still open; the CRA says the normal reassessment period depends on whether the corporation was a CCPC at year end

Sources

This definition is checked against primary sources. Links were last confirmed on the dates shown.

  1. 01
    Canada Revenue AgencyGovernment
    Reassessments – Adjustments to your T2 return
    canada.ca·Checked Oct 25, 2026
  2. 02
    Canada Revenue AgencyGovernment
    Requesting a reassessment of your T2 return
    canada.ca·Checked Oct 25, 2026
  3. 03
    Canada Revenue AgencyGovernment
    When we reassess your T2 return
    canada.ca·Checked Oct 24, 2026

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