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    UK TP, PE and DPT reform moves ahead with release of draft legislation

    HMRC have published draft legislation for reform of the UK鈥檚 transfer pricing, permanent establishment and Diverted Profits Tax rules

    On 28 April 2025, the Government published various documents, including draft legislation for technical consultation in respect of its ongoing work to reform the UK鈥檚 transfer pricing (TP), permanent establishment (PE) and diverted profits tax (DPT) legislation.聽The proposals follow on from an initial consultation in mid-2023 which was generally well-received, with some reservations in specific areas. The changes are designed to simplify the UK鈥檚 international tax rules, bring them up to date, and align them more closely with the UK鈥檚 obligations under double taxation treaties. The changes should provide helpful simplification of certain aspects of the rules and should support access to treaty benefits and improve tax certainty. There are, however, some areas where complexity is likely to remain and uncertainty over the impact of the changes on historical positions adopted by taxpayers.

    At the same time, HMRC published an additional policy consultation on restricting the UK鈥檚 TP exemption for Small and Medium Enterprises (SMEs) to Small Enterprises only, and on introducing new requirements for reporting international controlled transactions. We have discussed those proposals in a separate article in today鈥檚 edition.

        Phil Roper

        Partner, Global Transfer Pricing Services

        乐鱼(Leyu)体育官网 in the UK


        Transfer Pricing

        There are various changes being made to the TP legislation and other parts of the legislation which interact with the TP rules. In general these are positive because they should reduce ambiguity for taxpayers and support the application of tax treaties to improve tax certainty.

        One of the main areas where there is no international consensus is on a definition of when two enterprises are associated. In the UK, we have the participation condition, which defines when two enterprises are treated as associated for the purposes of the UK TP rules. HMRC intend to make some targeted changes that will widen the net:

        • A new form of direct participation where two persons are subject to an agreement for common management;
        • An anti-avoidance provision ensuring the participation condition is met when a person enters into arrangements with a main purpose of not meeting the participation condition; and
        • A power allowing HMRC to issue a transfer pricing notice requiring a taxpayer who is under enquiry to file on the basis that the participation condition is met.

        On a more positive note, HMRC have listened to feedback that the 鈥�acting together鈥� rule is overly broad and ambiguous. Amendments will focus on aggregating equity holding lenders鈥� interests for the purposes of determining indirect participation for financing transactions involving persons acting within the same arrangement.

        As expected, some transactions between UK resident companies will be made exempt from the application of UK TP rules. Whilst the exemption is a welcome development, it is narrowly defined so as to protect the UK tax base and, as a result, there are various qualification and disqualification criteria that, on first impressions, do not look like much of a simplification but do at least provide greater clarity on when TP should be considered for domestic transactions. The taxpayer may elect, or HMRC may direct, that the exemption should be disapplied. We do still see some cases where taxpayers would wish to elect to apply the TP rules so that they can claim compensating adjustments and those compensating adjustment provisions will be retained with some helpful changes relating to financial transactions.

        One of the most significant areas of tension between the current UK TP rules and OECD principles relates to financial transactions, where the OECD published specific guidance found in Chapter X of the OECD Transfer Pricing Guidelines in 2020. Here the UK TP rules聽(initially for new or substantially amended debt only) will be better aligned with the Chapter X guidelines. In particular:

        • The legislation will make it unambiguous that implicit support to a borrower鈥檚 credit quality from its group should be taken into account; and
        • Explicit guarantees will also be taken into account, to the extent they would lower the rate of interest at arm鈥檚 length, but not to the extent they increase the quantum borrowed.

        The compensating adjustment rules for domestic lenders or guarantors are retained with helpful amendments relating to distinguishing guarantees from implicit support that should reduce ambiguity.聽There is also a helpful change that will make section 192 claims clearer and more certain. Broadly, this will allow a UK company outside the borrowing unit of a thinly capitalised UK borrower to elect to be taxed as if it provided a guarantee over all or part of the non-arm鈥檚 length element of the borrowing, enabling excess borrowing capacity in other UK companies (e.g. a UK sister company) to be accessed. This claim is helpful for inbound groups, for example where they have a divisional structure and do not hold all their UK operations under a single UK holding company.

        Valuations for transfers of intangible fixed assets that fall within the scope of the UK TP rules will be performed under the arm鈥檚 length principle. This will help improve tax certainty through Advance Pricing Agreements and treaty negotiations. The limited derogation from the one-way street principle will be retained for transfers (but not licences) of intangible fixed assets.

        The draft legislation also includes clauses that bring exchange gains and losses on loan relationships and derivative contracts into scope of the UK TP rules, but without disturbing existing hedging arrangements. The one-way street will also be relaxed so as to not disallow debits that represent a reversal of a foreign exchange or fair value credit that was previously brought into account. There will be a consultation on a limited documentation requirement to accompany the FX rule changes.

        It is good to see that there are circumstances where HMRC are willing to relax the one-way street, but not going further with this as part of the first major reform of the TP rules in the last 20 years is also arguably a missed opportunity as the one-way street approach is increasingly problematic in practice as explained in our previous article published in Tax Notes International which makes the case for wider relaxation.

        Diverted Profits Tax replaced by Unassessed Transfer Pricing Profits

        Certainty will also be improved by the proposed DPT reform. This will replace DPT (a separate tax leading to some complexity) with a new charging provision to Corporation Tax (CT) for 鈥楿nassessed Transfer Pricing Profits鈥�. This is intended to maintain some of the features of the DPT (including a higher rate of tax), while better integrating it with the UK CT and TP regimes, to provide clearer access to treaty benefits, closer alignment to the CT enquiry framework, and better enable treaty-based Mutual Agreement Procedure (MAP) solutions based on TP principles. The rules will also be significantly simplified.

        The 鈥楻elevant Alternative Provision鈥�, a particularly problematic aspect of the DPT rules, would not be carried over and there would be no equivalent provision to the 鈥楢voided PE鈥� leg of the current DPT charge.

        The 鈥楨ffective Tax Mismatch Outcome鈥� test would remain in a substantially similar form. However, the 鈥業nsufficient Economic Substance Condition鈥� is replaced by a simplified (but very widely drawn) 鈥楾ax Design Condition鈥� which applies where the structure of provision to which the UTPP applies, or the structure of the arrangements of which the provision forms a part, were designed to have the effect of reducing, eliminating or delaying a liability to tax (including any non-UK tax).

        Procedurally, there would no longer be notification requirements for taxpayers, but HMRC will have the power to issue assessments without necessarily having first issued a notice of enquiry.

        Permanent Establishments

        On the PE side, the existing UK domestic definition of a PE is to be made broadly, though not exactly, consistent with the OECD Model Tax Convention (MTC) definition. This includes extending the dependent agent PE threshold to include habitually playing the principal role leading to the conclusion of contracts, even where those contracts are not concluded in the UK, and excluding from the independent agent exemption persons acting exclusively or almost exclusively for 鈥榗losely related鈥� persons such as other group companies.

        The new rules make it clear that the UK PE conditions should be interpreted in line with OECD guidance, and allow for regulations to be made to ensure that, over time, the UK PE rules continue to be interpreted in line with the latest OECD position.

        The main remaining distinction is that the UK will retain and clarify scope to recognise the common law existence of a UK PE under the dependent agent leg of the definition (this has frequently been needed in practice in dealing with European Civil Law-based undisclosed agency arrangements).

        The profits to be attributed to a UK PE are to be based on Article 7 of the MTC (including the extensive Commentary, which contains many practical examples) and the Authorised OECD Approach to PE profit attribution. Intra-entity royalties, interest, and mark-ups on services will no longer be disallowed.

        A number of changes to broaden and simplify the Investment Manager Exemption (IME) to ensure that changing the dependent agent permanent establishment test will not result in investment managers becoming permanent establishments of the funds for which they make investment decisions and to clarify that the IME is in addition to the exemption for agents of independent status, along with the publication of a revised Statement of Practice, will be of particular interest to the Financial Services sector. The Lloyd鈥檚 Agent Exemption is to be repealed following changes to Lloyd鈥檚 rules which mean that non-UK resident companies can no longer be members of Lloyd鈥檚.

        Next steps

        to give effect to the reform measures are open for consultation with a deadline of 7 July 2025. Interested businesses are encouraged to consider and discuss how they may be affected. The earliest operative date for this new legislation will be from 1 January 2026.

        For further information please contact:


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