Missed a credit, got a late slip, or made an error on a filed return? You can usually fix it. We prepare T1 adjustments and ReFILE submissions to correct prior returns — often recovering refunds you're owed.
Book a free consultation All personal tax services
4:5 imageA filed return isn't final. If you forgot a deduction, received a slip late, or discovered an error, the CRA allows you to adjust prior returns — generally up to ten years back. We prepare the change correctly, whether by ReFILE, the CRA's online service, or a T1-ADJ.
Electronic adjustments to recently filed returns.
T1-ADJFormal adjustment requests for changes to prior-year returns.
MissedRecover credits and deductions you didn't claim originally.
DTCApply a newly approved Disability Tax Credit to past years.
A clear, low-stress process — in person, by drop-off, or fully remote.
We review the original return and identify what should change.
We prepare the ReFILE or T1-ADJ with supporting detail.
We submit the adjustment to the CRA.
We follow it through to reassessment and any refund.
You can change a return for the current year and, in most cases, going back up to ten previous calendar years. Within the normal reassessment period (generally three years from your notice of assessment) a correct adjustment is processed as a matter of course; beyond that, going back as far as ten years is allowed at the CRA's discretion under taxpayer relief. We prepare the request the right way for your situation.
ReFILE is an electronic service to adjust a recently filed return. It's fast and convenient when eligible; otherwise we use a T1 Adjustment Request.
Usually yes. If you missed a deduction or credit, an adjustment can correct it and often produces a refund. We handle the request.
An adjustment is a normal CRA process. We prepare it with proper support so it's straightforward and audit-ready.
Yes — once the Disability Tax Credit is approved, prior returns can often be adjusted to claim it retroactively. We coordinate both.
Serving individuals and families across Durham Region: Oshawa · Whitby · Ajax · Pickering · Courtice · Bowmanville · Clarington · Newcastle · Port Perry · Uxbridge.
Book a free consultation and we'll match you with the right service and a clear, no-jargon plan.
Book a free consultation