Debt vs equity funding — what should I check first?

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Answer

Debt creates deductible interest subject to capital-structure limits and transfer pricing, with withholding on payment. One question decides whether this is a filing or a project.

What to check first

Debt creates deductible interest subject to capital-structure limits and transfer pricing, with withholding on payment. Equity creates dividends with their own withholding rate and surplus consequences. Hybrid instruments risk being recharacterised in one country.

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The exception that catches people

Funding a foreign subsidiary with debt or equity is a tax decision made at incorporation and paid for over a decade.

Debt vs equity funding — what should I check first?
ItemAmount
Income taxed in both countriesC$115,000
Tax paid abroad (assumed 31%)C$35,650
Home tax on the same income (assumed 26%)C$29,900
Credit available (lesser of the two)C$29,900
Home tax still payableC$0

The credit fully absorbs the home liability on this income, so nothing further is payable at home — but the return still has to be filed and the credit still has to be claimed, by category and by country.

These amounts illustrate the mechanism only. The rates and thresholds are assumptions of the example, not your numbers: each is checked against the issuing authority for your specific tax year before any return is filed.

Where to go from here

The full treatment — who it binds, the deadline, the penalty and the fixed fee — is on Debt vs equity funding. If that describes your position, the next step is a short call — not a form.

Reviewed for the 2025 and 2026 filing seasons by Udit Gupta, Cross-Border Tax Expert, Legal Quotient Consultants. Published as general information. For a position on your own file, call the 24-hour helpline.

Where international tax accountant comes into this file

The subject here is debt vs equity funding, which is what people mean when they search for international tax accountant. This page covers who it applies to, the filings it produces, and the fixed fee agreed before work begins.

What these engagements turn on

Case study 1

Setting the funding mix before a foreign subsidiary was incorporated

The client knew how much capital the new operation needed and had assumed it would all be share capital. We modelled the alternative across the expected life of the business: the deductibility of interest in the subsidiary's country, the limit its rules place on capital structure, the withholding applying to each channel, and how each would look when money eventually came back. The recommendation was a split, with the debt element sized to sit inside the local limit. The engagement produced the funding structure, the loan terms, and a note of the assumptions to revisit if the business grew faster than planned.

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Case study 2

Documenting an intercompany interest rate long after the loan

Money had been advanced between related companies at a rate chosen because it looked reasonable at the time. No analysis had been prepared and a review was now under way. We reconstructed the borrower's position at the date of the advance, its capacity to service the debt from its own earnings, the term and the ranking, and built the comparison from that. The rate proved defensible; the file had not been. The work produced an analysis tied to the original date, a memorandum explaining why it had been prepared late, and a standing instruction for documenting future advances.

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Case study 3

Rebuilding a capital structure that breached a local interest limit

A subsidiary had been funded almost entirely by debt and part of its interest deduction was being denied under the limit its country applies. The group wanted the deduction rather than the loan. We set out how much debt the subsidiary could carry within the limit, what a partial capitalisation would do to the withholding profile on future payments, and how the interest already accrued would be treated. The engagement produced a capitalisation step plan, revised loan documents for the balance that remained, and a projection of deductible interest for the following years.

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Case study 4

Reviewing a convertible instrument that neither country had classified

The instrument had been drafted for a commercial reason. The investor wanted a return before the operating business was profitable and a route into shares afterwards. Nobody had asked what it was for tax purposes at either end. We worked through the features one by one and showed that the two systems would not reach the same answer on them. The client chose to split the arrangement into a straightforward loan and a separate subscription right. The work produced the analysis, the replacement documents, and a record of why the original form had been abandoned.

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Case study 5

Planning repayment on a loan that had never been serviced

Interest had accrued for several years without being paid and the group now wanted to settle the balance. Accrued and unpaid interest does not always behave like interest paid on time, and the currency the loan was denominated in had moved a long way since the advance. We set out the treatment of the accrual at both ends, the withholding position on settlement, and the difference between paying the interest and capitalising it. The engagement produced a settlement sequence, the withholding calculations for the payer, and a filing timetable for both jurisdictions.

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Case study 6

Comparing funding routes for an acquisition financed from abroad

The client was buying an operating company overseas and could push the funding down as debt, subscribe for shares, or leave the borrowing at the top of the group. Each route placed the interest deduction somewhere different, and only one of them placed it where there was income to absorb it. We compared the routes on deductibility, on the withholding cost of getting money back, and on what each would mean if the business were later sold. The engagement produced a written comparison, the chosen structure, and the drafting instructions for the instruments.

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Case study 7

The Local File That Has to Match the Accounts

A local file describes the entity's own controlled transactions and ties them to its statutory figures. Where the two do not reconcile, that is what an examiner opens with.

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Case study 8

A Trust Abroad With a Canadian Connection

Contributions or beneficiaries in Canada can bring a foreign trust inside the Canadian net entirely. The analysis is who contributed what and when, because the answer decides whether the trust files here at all.

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All case studies — every published engagement in one place.

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What people ask us about Debt vs equity funding

Should I fund my foreign subsidiary with a loan or shares?

It depends on what the subsidiary will do with the money and how you expect to get it back. A loan produces interest, which is deductible to the subsidiary within the limits its country places on capital structure, and which has to be priced under transfer pricing rules. Shares produce dividends, which are not deductible, carry their own withholding rate and interact with the surplus rules on the way home. Repayment differs too: capital can come back on a loan without being a distribution of profit. Decide it by modelling the whole ownership cycle, not the first year.

Is interest on a loan to my subsidiary always deductible?

No, and two separate constraints apply, both of which have to be satisfied. The first is capital structure: most countries limit how much debt a subsidiary may carry against its equity, or how much interest it may deduct against its earnings, and interest above that line is denied however commercial the loan is. The second is transfer pricing: the rate, the term and the security have to be what an unrelated lender would have required of that borrower. A loan can pass one test and fail the other, so test them separately rather than assuming a commercial rate settles both.

What tax applies when the subsidiary pays the money back?

Payments leaving the subsidiary's country are generally subject to withholding, and the rate depends on what the payment is. Interest has one rate, dividends have another, and a treaty between the two countries may reduce either. A repayment of loan principal is a return of capital rather than a payment of income, which is one of the practical advantages of having funded with debt. Getting this wrong is expensive in a particular way: withholding is the payer's obligation, so where it has been under-deducted the subsidiary is pursued for the shortfall, not the recipient who received the money.

What is a hybrid instrument and why do advisers warn about them?

It is a funding arrangement carrying features of both debt and equity — a long or open-ended term, subordination, discretionary payment, a right to convert into shares. The attraction was that one country might read it as debt and allow a deduction while the other read it as equity and treated the receipt more favourably. The risk is recharacterisation: the country that allowed the deduction decides the instrument was equity after all, or the receiving country decides it was debt. You then hold an arrangement treated as two different things, with rules on both sides aimed at exactly that result.

Can I convert the loan to equity later if it goes wrong?

Often, but a conversion is a transaction in its own right with consequences in both countries, and it does not undo history. The years in which interest was deducted stand or fall on their own facts. Conversion can also crystallise something you were not thinking about: accrued but unpaid interest, a difference between the loan's face amount and what it was worth at the time, or movement in the currency it is denominated in. Plan it as a step of its own, with the treatment at both ends confirmed first, rather than treating it as a correction to an earlier decision.

Does the interest rate on an intercompany loan need justifying?

Yes, and the justification has to be prepared as though the parties were unrelated. The question is not what rate is convenient but what rate a third-party lender would have charged this borrower, for this amount, on this term, with this security and this ranking. That means looking at the subsidiary's own capacity to service the debt out of its own earnings, rather than at the parent's standing. The analysis is far easier to produce at the time than several years later, because what matters is the borrower's position and the market conditions at the date the money was advanced.

How many days can I spend in a country before I become tax resident?

It depends on the country, and a day count is only ever the start. Many use a threshold in a tax year, some also look at averages across several years, and some have no day test at all and decide on where your home and life are. Two countries can both conclude you are resident, which is what the treaty tie-breaker exists to settle. Counting days without checking the tie-breaker is how people end up filing as resident nowhere. See the residency tie-breaker.

How does a remittance actually work, and is it taxed?

A remittance is a transfer of money, not a category of income, and moving your own funds between your own accounts is not what creates tax. What can create tax is the income behind the money and the rules of the country it leaves. India, for instance, collects tax at source when a resident individual remits abroad under the Liberalised Remittance Scheme, and requires certification before certain payments leave. The transfer is the trigger for paperwork rather than for tax. See the LRS and tax collected at source.

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