It can be. The slips and the summary do different jobs. The slips report what each non-resident was paid, while the summary reconciles those slips to what was remitted, and filing one does not discharge the other. Exposure on this kind of filing is charged by reference to the form and the delay rather than to the tax, so a year in which every dollar was withheld and remitted correctly can still carry a charge if the reconciling document went in late. If the slips are filed and the summary is not, the summary is the thing to deal with now.
What is the late filing penalty for Form T4A-NR summary?
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The annual summary reconciling non-resident services slips to remittances. The exposure on this kind of filing is charged by reference to the form and the delay rather than to the tax, which is why an unfiled year with no tax can still be expensive.
What a late filing costs
The annual summary reconciling non-resident services slips to remittances.

Where the general answer is wrong
It ties the payer's records to what the CRA received. Where a waiver was granted mid-year, the summary is where the pre-waiver and post-waiver periods have to agree.
Where to go from here
The full treatment — who it binds, the deadline, the penalty and the fixed fee — is on T4A-NR summary. The quote comes before the work, in writing.
Reviewed against current guidance for the 2025 and 2026 filing seasons by Udit Gupta, International Tax, Cross-Border Tax & Transfer Pricing Expert, Legal Quotient Consultants. General information, not advice for your circumstances — call our 24-hour helpline to discuss your own position.
Cross-border situations we are engaged for
Three years of slips filed with no summaries behind them
A payer had issued non-resident services slips for three consecutive years and had never filed the reconciling summaries. We built each year from the remittance record upwards, agreed the slips against it, and dealt with the differences year by year rather than as one aggregate. Two of the three reconciled once conversion dates were put on a consistent basis. The third needed a payment reallocated between periods. All three summaries were filed, each with a note of its reconciling items, and the delay stopped accruing on the earliest year first.
Read how this one runsSummary held back while waiver correspondence was awaited
A payer delayed its summary because a waiver decision for part of the year had not yet arrived and it did not want to file figures that might change. The delay was charged even though the eventual tax position turned out exactly as expected. We filed the summary on the withholding that had actually occurred, split at the date the waiver took effect, and recorded the outstanding correspondence as a reconciling note. The lesson written into the payer's procedure is that an accurate filing on time beats a perfect one later.
Read how this one runsExposure quantified before a voluntary catch-up of old years
A payer that had received a demand to file in an earlier year wanted the exposure understood before it brought several outstanding summaries in. We separated the charges that attach to reporting from those that attach to tax owing, identified the years where the higher rate could be reached and the years where it could not, and set the whole picture out in writing. The payer filed the outstanding years on that basis, with the position quantified in advance rather than arriving later as a surprise assessment.
Read how this one runsAmended summary after the underlying slips were corrected
Corrections to several non-resident services slips left a payer's filed summary reconciling to figures that no longer existed. We recalculated the year from the payment records, prepared an amended summary that agreed with both the corrected slips and the remittance history, and filed it with an explanation of how the original figures had arisen. The engagement produced a single consistent version of the year across the slips, the summary and the payer's ledger, which is exactly what the payer had lacked when the questions started.
Read how this one runsRemittances made under a predecessor entity reconciled separately
After a reorganisation, a payer had remitted non-resident withholding partly under a predecessor account and partly under the continuing one, and had filed neither summary. We allocated every payment to the account its remittance had gone to, reconciled each account against the slips that belonged to it, and filed a summary for each period. The result was two reconciled filings and an allocation schedule, prepared while the predecessor's records were still to hand rather than after the account was closed.
Read how this one runsUnfiled summaries found in diligence before a share purchase
An acquirer's diligence on a target company found non-resident services slips on file but no summaries for two of the years it examined. We reconstructed the reconciliations from the target's remittance history, set out the exposure by reference to the form and the delay for each year, and prepared the summaries for filing. The quantified position went into the diligence report for the parties to negotiate around, and the filings were made once the treatment had been agreed between them.
Read how this one runsInformation Returns Missed Behind a Correct Return
The heaviest exposure on a cross-border file is often a disclosure form rather than the tax. Where the return itself was right, the procedures for late information returns turn on a reasonable-cause narrative with dates and documents behind it.
Read how this one runsA Family Trust Abroad With Reporting on Both Sides
A trust settled in one country and a beneficiary living in another produces reporting for the trust, the settlor and the beneficiary, on different forms and different dates. The engagement maps who files what before anything is prepared.
Read how this one runsAll case studies — every published engagement in one place.
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Working from anywhere doesn't mean taxed nowhere: residency defaults, employer payroll exposure and treaty relief decide where income actually lands.
Working from another country does not by itself end tax residence in the one you left, and it can start one where you are sitting. Day counts, ties, the employer's own exposure and the treaty tie-breaker all point at the same question, and the year you move is the year it has to be answered on paper.
- Residency analysis before moving
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- Governance & substance
Questions that come up on Form T4A-NR summary
The figure most people have in mind is the penalty on a return, which for the 2025 tax year is 5 per cent of the balance owing plus 1 per cent of that balance for each full month the return is late, to a maximum of twelve months. That is measured on tax owing. A late information filing is charged by reference to the form and the delay instead, which is why an unfiled year with no tax can still be expensive. Quantify the two separately. Borrowing the return figures for a slip or a summary produces a number that is not the right one.
No, those are different failures. Filing after the due date is a matter of delay. Filing on time with totals that do not reconcile is a matter of accuracy, and the answer to it is an amended summary prepared from the underlying payments rather than from the original totals. What makes an inaccurate filing worse is leaving it, because the difference then has to be explained years later from records that have moved on. Identify the reconciling items, correct them, refile, and keep a note of how the original figures arose.
Interest compounds daily on an unpaid balance. The penalty itself does not compound, so what grows over time is the interest on whatever is outstanding. For a payer the practical consequence is that settling the amount owed and completing the outstanding filings are two separate pieces of housekeeping, and each one stops a different thing running. Waiting until both can be done together is common, and it is usually the more expensive choice, because the interest does not pause while a reconciliation is being finished.
Not the charge for filing late. A waiver deals with what has to be withheld. It does not deal with what has to be reported, or when. It does change the work, though. Where a waiver was granted mid-year, the summary is where the pre-waiver and post-waiver periods have to agree, so a late summary in a waiver year usually needs the year split at the date the waiver took effect before it can be reconciled at all. Keep the waiver correspondence with the filing, so the withholding pattern across the year is explained on its face.
Start with the remittance records rather than the slips, and work one year at a time. Each year's summary has to agree with the slips issued for that year and with the amounts remitted under the account those remittances went to, so a year cannot be closed out of the totals of its neighbours. Where the entity itself changed during the period, allocate before you reconcile. File each year as it is finished rather than holding the set back for the last one, because delay is the part of the exposure still within your control.
No — and if you came here to calculate FTP, this is not it. Fund transfer pricing is a bank's internal allocation of funding costs and benefits between its own business units, a treasury and asset-liability management discipline used to measure branch or product profitability. Tax transfer pricing is about prices between legally separate related parties across borders, and about which country taxes the resulting profit. The words overlap; the fields do not. See our transfer pricing work.
With paperwork built for both systems rather than one. In practice that means wills that work where each asset actually sits, an executor with authority a foreign bank or land registry will accept, clearance certificates before the estate distributes so the executor is not left personally exposed, and an estate tax exposure calculation done while the person is alive and can still act on it. Doing it afterwards costs more and forecloses most of the options. See cross-border wills and trusts.



