T106 — meaning in cross-border tax

T106: the meaning, where it applies, and the filing it changes.

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Definition

Canada's information return of non-arm's-length transactions with non-residents, and the first document a transfer-pricing auditor reads.

Why the term matters

Nothing in this area depends on owing money. The obligation attaches to ownership, control or signature authority, and the exposure accumulates quietly across years in which nothing was payable.

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Where the two systems can differ

One system may treat the entity as transparent and the other as opaque, and everything downstream follows from that single classification: who is taxed, when, and whether relief for the other country's tax is available at all.

Where it shows up in practice

Putting it to work

Knowing the term is the first half. Knowing whether it applies to your year, and what evidence proves it, is the half that changes the outcome. Whatever you have is enough to start the conversation, including nothing but the dates.

A definition is only the start of a position. What makes it a filing is the evidence that the definition applied to you, in that year, and that evidence is almost always easier to assemble at the time than to reconstruct afterwards.

Reviewed for accuracy for the 2025 and 2026 filing seasons by Udit Gupta, Cross-Border Tax Expert, Legal Quotient Consultants. Written as general guidance, not as a recommendation for your situation. Talk it through with us before acting on it.

International tax accountant — what this page covers

People reach this page searching for international tax accountant. It is covered here as it applies to T106 — who it applies to, what has to be filed, and what it costs, at a fixed fee agreed before the work starts.

Cross-border tax case studies

Case study 1

Reconstructing years of missing related party returns for a Canadian subsidiary

A Canadian company had paid its foreign parent a management charge from its first year of trading and had filed only income tax returns. We established which years carried reportable dealings, rebuilt the intercompany figures from both sides of the group so the Canadian amounts matched the parent's own accounts, and prepared the outstanding information returns as a set. Alongside them we wrote up the basis of the management charge, since the returns would invite that question. The engagement produced a complete filed history and a documented position on the charge, ready to hand over if those years are examined.

Case study 2

Deciding whether an intercompany loan crossed the reporting line

A newly incorporated Canadian company had no sales with its foreign group but had been funded by a loan from its shareholder, and its bookkeeper had concluded there was nothing to report. We listed every dealing with the related non-residents, separated amounts that had passed through the income statement from balances still outstanding, and identified which of them the return actually asks about. The result was a filed return covering the funding and a short memorandum recording what was excluded and why, so the same judgement does not have to be made again from memory each year.

Case study 3

Tying a filed return back to the financial statements after a query

An examiner asked why the amounts on a filed return did not agree with the notes to the financial statements. The difference turned out to be a reclassification made after the return was prepared, plus foreign exchange translated on two different bases. We rebuilt the schedule from the trial balance, showed where each figure on the return had come from, and reconciled the remaining difference to the translation basis. The engagement produced a reconciliation the client could hand to the examiner, and a preparation checklist fixing the order of work so the return is now prepared after the statements are final.

Case study 4

Building the pricing file behind a return that had already been filed

A group had filed its returns on time for years but had never prepared anything behind the figures, and a request for documentation arrived. We interviewed the people on both sides of the arrangement to establish what each entity actually did, selected and wrote up a pricing method consistent with those functions, and tested it against the amounts already reported. Where the reported figures and the method diverged we said so in the file rather than adjusting the history. The engagement produced a documentation file that matched the returns as filed, and a note of the years that need watching.

Case study 5

Finding the related parties a group had left off its returns

The returns named the foreign parent and nothing else. Working through the group structure and the ledger together, we found dealings with a sister company in another country, a service charge from an affiliate, and payments to an individual connected to the shareholder. Each was a separate counterparty the return asks to have named. We prepared amended returns identifying all of them, with the country of residence and the category of dealing set out for each, and produced a standing map of the group's related non-residents so next year's return starts from the structure rather than from the bank statements.

Case study 6

Explaining a transfer price that had been set by an unexplained spreadsheet

A Canadian company sold to a related foreign distributor at a price nobody in either entity could explain; the spreadsheet that produced it had been inherited twice. We reconstructed what the formula was doing, compared it with what each side of the arrangement contributed, and found it closer to a defensible method than it looked, though for reasons the file had never stated. We wrote the method up properly, aligned the return's categories with how the dealings were actually structured, and produced a pricing memorandum and a filed return describing the same arrangement the group's other filings describe.

Case study 7

A Canadian Working in the US on a Work Visa

Immigration status and tax residence are different tests, and a visa says nothing about which country taxes the salary. The file fixes residence, applies the employment article, and sequences the two returns so the credit lands where it is usable.

Read how this one runs
Case study 8

Treaty Relief Claimed on a Cross-Border Estate

The estate article can extend a proportionate credit where the two systems would otherwise both tax the same asset. Claiming it requires a valuation and a disclosure the estate may not expect to make.

Read how this one runs

All case studies — every published engagement in one place.

Core International & Cross-Border Tax Services

International Tax Planning & Advisory

Strategy and compliance for income, assets and families spread across borders.

One coordinating team: filings on every side of the border are sequenced so treaty relief and foreign tax credits are claimed once — and in the right country.

U.S. & Cross-Border Tax Returns

Dual filers: U.S. citizens in Canada and Canadians with U.S. income run two parallel systems — we prepare both, in the right order, every year.

Expat & Emigration Tax

The move year is its own project: the elections and valuations filed that year decide the next decade of both countries’ returns.

Non-Resident Canadian Tax

Default withholding is 25% of gross: elective returns routinely turn over-withheld rent and pensions into refunds.

Transfer Pricing & BEPS

Documentation prepared with the return is the cheapest insurance in international tax; reconstructing it during an audit is the most expensive.

Cross-Border Estates & Trusts

Wills drafted for one country routinely misfire in the other — deemed disposition here, estate tax there, credits in between.

Cross-Border Corporate Tax

Expansion raises the same four questions every time — entity, PE, repatriation, payroll. We answer them before the tax authorities do.

India Tax for NRIs & Returning Residents

The deduction is taken on the sale price, not the gain — which is why an NRI property sale strands cash unless the certificate is applied for before closing.

Canadian Tax with a Foreign Element

Residency is decided on facts, not on a form — and the year you arrive or leave is the one where the largest amounts turn on the smallest details.

UAE Tax for Expats & Their Home Country

A zero-tax country is only half the answer — the question that decides the bill is whether the country you came from still treats you as resident.

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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.

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Questions that come up on T106

What is a T106 and who has to file one?

The T106 is Canada's information return for dealings with non-residents you are not at arm's length from: a parent, a subsidiary, a sister company, or an individual connected to you. It is filed by the Canadian reporting person, alongside the income tax return but as a separate obligation with its own rules. What triggers it is the relationship and the dealings, not whether the dealings were profitable. A company that made a loss, or that paid its parent a single charge and nothing else, can still be a filer. The practical test is to list every non-resident you transacted with, then ask for each one whether you dealt with them as strangers would.

Do I have to report a charge from my parent that was nil?

A dealing recorded at nothing is still a dealing. If a related non-resident provided something, whether head office support, the use of a brand, a person's time or the use of money, and nothing was charged, then the reporting question and the pricing question come apart. The return is concerned with what passed between you; the pricing rules are concerned with what the price should have been. Leaving a nil charge off the return does not make it invisible, because the counterparty's own accounts and its home-country filings describe the same arrangement from the other side. Record the dealing, then be able to explain the price, including when the price was nothing.

Is a T106 the same as transfer pricing documentation?

No, and conflating them is the commonest mistake in this area. The return is a summary: who the related non-residents were, where they were resident, what categories of dealings took place and in what amounts. Documentation is the file behind those amounts, describing the functions each party performed, the method chosen for setting the price, and the evidence that the method produces an arm's-length result. The return can be completed in an afternoon from the trial balance. The documentation cannot, which is why the two are prepared at different times, and why a filed return with nothing behind it is a weaker position than it looks.

What if I filed my corporate return but missed the T106?

Treat it as a separate late filing rather than as an amendment to the tax return. It is an information return, so the exposure does not depend on tax being owed: penalties here attach per return and per year, which is how a company with losses throughout accumulates a real liability while paying nothing in tax. The sensible order of work is to establish which years had reportable dealings, prepare the missing returns for all of them, and decide how to bring them in, quietly on their own or through a disclosure route, before anything is sent. Filing one year in isolation draws attention to the years either side of it.

Does a loan from my foreign parent go on a T106?

Money owed to or from a related non-resident is treated differently from a sale or a service charge, and the return keeps the two apart: amounts that ran through the income statement on one side, balances outstanding on the other. So a shareholder loan that generated no invoice and no interest is not outside the return simply because nothing appeared in revenue. The interest question follows separately, being whether any was charged, whether any should have been, and what was withheld if it was paid. Pull the intercompany accounts off the balance sheet, not only out of the sales ledger, before deciding what the return has to show.

Why do auditors ask for the T106 first?

Because it is the only document that puts the whole related-party picture on one page. Before opening a ledger, the return tells an examiner which non-residents you dealt with, which countries they sit in, what kinds of dealings took place and how large each was. From that alone it is possible to see where profit is likely to have moved and which single charge is worth a question. That is also why an internally inconsistent return is expensive: a figure that does not tie to the financial statements is not a small error on a form, it is the opening question of an examination you then have to answer from scratch.

Does GILTI apply to individuals?

Yes, and it lands harder on them. An individual US shareholder of a controlled foreign corporation has the same inclusion a corporate shareholder does, but without an election gets neither the corporate-level deduction nor credit for the foreign corporate tax already paid — so foreign profit can be taxed at individual rates with no relief for tax the company paid abroad. An election to be taxed as though through a domestic corporation is usually the first thing to model. See Form 5471 and CFCs.

Branch or subsidiary — which should we use to expand?

A branch keeps one taxpayer: results consolidate at home, losses are usable sooner, and the exposure is that the branch is a permanent establishment whose profit the host country taxes, sometimes with a branch tax on repatriation. A subsidiary is a separate taxpayer with limited liability and local rates, at the cost of withholding on dividends home and transfer pricing on everything between them. The deciding facts are usually expected losses, liability and exit plans. See branch against subsidiary.

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