Is an advance pricing arrangement worth it for a mid-sized group?
It depends on whether the same question will keep coming back. The arrangement fixes the method for future years, so its value is certainty over a run of years on a transaction that is material, recurring and hard to benchmark. If a group's intercompany dealings are modest and ordinary, the same money is usually better spent on documentation prepared properly each year. The honest way to test it is to look at what an adjustment on that transaction would cost in each country, how likely a query is given the amounts, and whether the business is stable enough that a fixed method will still fit in later years.
What is the difference between a unilateral and a bilateral arrangement?
A unilateral arrangement is agreed with one authority, so that country will not disturb the method, but the other country is not bound by anything and can still adjust its own taxpayer. A bilateral arrangement is negotiated between both authorities, so the method is settled on both sides of the border and the risk of the same profit being taxed twice is addressed rather than halved. Unilateral is quicker to reach and covers one exposure; bilateral costs more effort and is the only version that actually resolves a two-country disagreement. Which one fits depends on where the adjustment risk sits and whether both authorities engage on this kind of transaction.
Can an advance pricing arrangement cover earlier years?
In some countries it can, by applying the agreed method backwards to years that are still open, which is generally described as a rollback. Whether that is available depends on the country and on the facts of those earlier years being the same as the ones the arrangement covers: the same functions, the same risks, the same transaction. It is worth raising early rather than late, because the request shapes what information the authorities want from the outset. Where the earlier years differ materially from the current business, a rollback will not fit and those years need their own documentation on their own facts.
Do I still need transfer-pricing documentation if I have an arrangement?
Yes. The arrangement fixes the method, not the arithmetic, so each year the group has to show that it applied the agreed method to that year's figures and that the conditions the arrangement was granted on still hold. That usually means an annual report to the authority containing the computation, a statement on the critical assumptions, and an explanation of anything that has changed in the business. Groups that treat the agreement as the end of the work tend to discover the gap when the first annual report falls due. Build the computation into the year-end close so it is produced from the accounts rather than reconstructed later.
What happens if the business changes during the term?
The arrangement rests on stated conditions, often called critical assumptions, describing the business it was agreed for: the functions each party performs, the risks they carry, the broad shape of the operations. If one of those conditions no longer holds because of a restructuring, an acquisition or a change in how the transaction is run, the arrangement may need to be revised or may cease to apply to the affected years. The obligation is usually to tell the authority rather than to decide privately whether the change matters. Read the conditions before making the change, so the effect on the agreement is known while there is still a choice about timing.
How long does the process take and what happens in it?
Expect a sequence rather than a single filing, and expect the elapsed time to be measured in a long stretch of a group's planning horizon rather than in weeks. There is usually a preliminary discussion about whether the transaction suits the process at all, then a formal application with the functional analysis, the proposed method and its supporting search, then questions from the authority, then negotiation, which in a bilateral case is between the two authorities and not with the taxpayer. Interim years still have to be filed on a position of their own while the process runs, which is worth planning for at the start.
Which country do I pay tax to first?
Generally the source country — where the income arises — taxes first, often by withholding before you receive it. Your country of residence then taxes the same income and credits what the source country took. That order is why timing matters: a residence-country return filed before the source-country tax is settled has nothing to credit yet. Getting the sequence right is most of the work. See international tax planning.
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.