Tax risk register for cross-border groups — what should I check first?

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  • 15+ years of cross-border experience
  • 18,000+ clients served
  • Offices in India, the USA, Canada and the UAE
Answer

The register records each exposure, the jurisdictions affected, the quantum, the mitigation and the evidence held. One question decides whether this is a filing or a project.

What to check first

The register records each exposure, the jurisdictions affected, the quantum, the mitigation and the evidence held. Reviewed periodically, it also becomes the audit-readiness file for the positions the group has taken.

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Where the general answer is wrong

A tax risk register turns a set of unrelated worries into a ranked list with owners, and it is what lets a board approve a position rather than discover one.

Where to go from here

The full treatment — who it binds, the deadline, the penalty and the fixed fee — is on Tax risk register for cross-border groups. Whatever you have is enough to start the conversation, including nothing but the dates.

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. Published as general information. For a position on your own file, call the 24-hour helpline.

Cross-border tax case studies

Case study 1

Building a first tax risk register for a newly multinational group

A group that had added subsidiaries in several countries kept its tax concerns in email threads and in the heads of a few people. We ran structured interviews with finance and with operations, listed every exposure we could identify, and gave each one a row recording the jurisdictions affected, the quantum, the mitigation in place and the evidence held. What the engagement produced was a single register the board could read in one sitting, with the gaps visible as empty evidence cells rather than sitting unstated in somebody's recollection.

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Case study 2

Adding an evidence column to a register that listed only worries

The register we were handed listed exposures and ranked them, but the column recording the evidence held was empty on almost every row. We took each entry and asked what document would answer a question about it: the agreement, the board minute, the calculation, the correspondence. Where the document existed we indexed it; where it did not, we recorded that as the exposure rather than recording the position. The work produced a register in which every row points at a file, and a shortlist of positions supported by nothing on paper.

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Case study 3

Giving a board a position to approve rather than discover

A group was about to implement a financing arrangement across its jurisdictions and the tax analysis existed only as advice in an adviser's letter. We wrote the exposure into the register in the form the board reads: what the position is, which countries it affects, the quantum, what supports it, and what would change the answer. The directors approved the position with that entry in front of them. The engagement produced a minuted decision, rather than a position the board would otherwise have met for the first time during a query.

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Case study 4

Answering a revenue authority query from the register rather than from memory

A query arrived from one of the revenue authorities the group files in, about a position taken some years earlier. Because the register carried the entry, the jurisdictions affected and an index of the evidence, the response was assembled from the file rather than reconstructed. We checked the entry against what had actually been filed, corrected one description that had drifted from the facts, and drafted the reply. The work produced a documented answer supported by contemporaneous material, and a note recording that the position had now been examined.

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Case study 5

Extending the register after an acquisition brought new jurisdictions

An acquisition brought a target with filing obligations in countries the group had never operated in. We treated the target's exposures as new rows rather than folding them into existing ones, recorded which of them the sale agreement addressed and which it left with the buyer, and named an owner inside the group for each. What the work produced was a register covering the combined group from completion, and a short list of inherited exposures the group had not known it was taking on, each with a person responsible.

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Case study 6

Assigning owners to exposures that had sat unowned for years

The register was thorough and nobody was responsible for any of it. Rows had been written by whoever noticed the issue and then left alone. We went through each entry with the finance lead and assigned an owner, a review date and a description of what closing the row would require. Several exposures turned out to belong to operations rather than to finance, which is why they had stalled. The engagement produced a ranked register with a named owner on every row and a review cycle the board could ask about.

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Case study 7

Expanding Abroad — Branch or Subsidiary, Decided on the Numbers

The choice sets the tax on profits, the treatment of early losses, and what it costs to take money home later. The file models all three across the first years rather than deciding on the incorporation cost alone.

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Case study 8

A Shareholder Loan Across a Border at No Interest

An interest-free loan between related companies is priced as if it carried interest, and in some cases a deemed benefit follows as well. The file sets a rate against the borrower's own credit profile and documents the terms that support it.

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All case studies — every published engagement in one place.

Core International & Cross-Border Tax Services

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Documentation prepared with the return is the cheapest insurance in international tax; reconstructing it during an audit is the most expensive.
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Wills drafted for one country routinely misfire in the other — deemed disposition here, estate tax there, credits in between.
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Expansion raises the same four questions every time — entity, PE, repatriation, payroll. We answer them before the tax authorities do.
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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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More on Tax risk register for cross-border groups

What goes into a tax risk register for a group with foreign subsidiaries?

One row per exposure, and against each one the jurisdictions affected, the quantum, the mitigation in place and the evidence held to support it. The last of those is the column most registers leave empty and the one that does the work: an entry naming a worry without naming the document that answers it is an anxiety, not a control. Write each row so that somebody who was not in the discussion can find the file. Where no document exists, that absence is itself the exposure and belongs on the register in those terms rather than as a blank cell.

Who should own each entry on the register?

Somebody by name, inside the group, who can actually move the item. The purpose of the register is to turn a set of unrelated worries into a ranked list with owners; an exposure with no owner sits on the list for years and is usually the one that surfaces at the worst moment. Ownership often belongs outside finance, to a contracting practice, a travel pattern or a payroll instruction, and that is precisely why those rows stall when finance is assumed to hold them. Record the owner, a review date, and what closing the row would require.

Does a tax risk register help if we are audited?

It is the main thing that does help, provided it has been kept. A register reviewed periodically becomes the audit-readiness file for the positions the group has taken: the exposure, the countries involved, the reasoning and the material supporting it, all recorded while the facts were fresh. The alternative is reconstructing a position years later from the memory of people who may have left. When a question arrives about something the group did, the answer is either in the file or it is not, and the register is what decides which of those you are dealing with.

How often should we review our group's tax risk register?

Often enough that it describes the group as it is now, which in practice means a scheduled review rather than a review prompted by bad news. Two events should always trigger one outside the cycle: a change in where the group operates or employs people, and any position being implemented for the first time. Periodic review is also what keeps the register useful as an audit-readiness file, because each entry then carries the date it was last examined. A register nobody has opened since it was written tells a reader only what was true when it was written.

Our board learns about tax positions after the fact — what fixes that?

Putting the position on the register before it is implemented, in the form a board can act on: what is proposed, which jurisdictions it affects, the quantum, what supports it, and what would change the answer. That is the difference between a board approving a position and discovering one. It also changes the record, because the decision becomes a minuted approval of a described exposure rather than an assumption that somebody had looked at it. Advice sitting in a letter that nobody has read into the register has not reached the people who are accountable for it.

Do we need to put a number against each exposure?

Yes, even a rough one, because ranking is the whole point. Quantum is one of the columns for a reason: without it every row looks equally urgent and the register cannot tell a board where to spend attention. Where the amount genuinely cannot be estimated, record the range and what would narrow it, which is usually a document or a fact nobody has yet established. Say which currency and which period the figure relates to, and record the basis beside it, so a later reader can see whether the number is a calculation or a placeholder.

Is "fund transfer pricing" the same thing as transfer pricing?

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.

Do American citizens living abroad have to pay taxes?

American expats and green card holders need to file US returns for life, and many of them pay little or no US tax once the relief is applied — but the filing is what unlocks the relief, so the two questions have different answers. The exclusion for foreign earned income, the credit for foreign tax already paid and the treaty between the two countries between them usually leave the total at roughly the higher of the two countries' tax rather than the sum. Skip the return and none of it applies. See Americans abroad.

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