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      Tax Matters Digest: 30 April 2026 Edition

      To go straight to the articles in the latest edition please scroll down and expand the section/s below that are of interest to you. For a preview of these articles, read the introduction to the latest edition from Sharon Baynham here:

      There have been a number of important case developments over the last few weeks and so we are leading this edition of Tax Matters Digest with a case law update.

      The case of Orsted West of Duddon Sands (UK) Ltd v HMRC (formerly Gunfleet Sands) has been rumbling through the courts for several years. The First-tier Tribunal decision was published in 2022 but the case has now reached the end-point with a Supreme Court decision on 15 April. As a reminder, the case considered whether certain pre-construction expenditure incurred in the development of offshore windfarms could qualify for capital allowances. The Supreme Court has spoken and concluded that it does not. The case leaves unanswered questions and ultimately this is likely to become an area where assurance will be sought under the new Advance Tax Certainty regime (should the relevant project meet the qualifying conditions to request clearance). Our spotlight article analyses the matters that were considered by the Court and the implications of the decision.

      Sharon Baynham

      Director, Tax Policy

      KPMG in the UK

      Moving down the judicial hierarchy, the Court of Appeal has published its decision in the case of HMRC v Burlington Loan Management DAC. The case, which was decided in favour of the taxpayer, considered the principal purpose test in the UK-Ireland double tax treaty. The judgment will provide some clarity on the application of purpose tests in the UK’s tax treaty network and when use of the treaty may cross the line and be considered to take advantage of it.

      Finally in our tax case update, the First-tier Tribunal has issued its decision in a case involving ring fence taxation in the oil and gas sector. The case considered the tax treatment of income arising to a UK company on the provision of services to a group company with ring fence activities, and whether those services were ‘oil extraction activities’ and therefore subject to the ring fence and the associated tax consequences.

      A team of KPMG international tax specialists recently penned an article for Tax Notes International on the updated OECD manual on Mutual Agreement Procedures (MAPs) which was published in February of this year. The manual provides comprehensive guidance on MAP and gives useful template documents all of which will help taxpayers and tax authorities navigate MAP. The manual runs to over 150 pages. Our article, which is not behind a paywall (and is nowhere near 150 pages long!), explains why this update was needed and gives a brief download of key aspects of the manual.

      Turning to employment taxes, we have two articles included in this edition. The first looks at PAYE Settlement Agreements (PSAs) and reminds readers that the annual review of PSAs gives an opportunity, not only to ensure compliance, but to unlock value and reduce costs. The second article focusses on Employers of Record (EOR). Some companies engage a third-party EOR to employ workers overseas. The company directs the work but the EOR is the legal employer responsible for payroll compliance and other legal and tax matters. This article summarises some of the UK tax and reporting considerations that can arise where participation in the company’s share plans extends to EOR employees.

      The media is full of speculation about what will happen in the elections on 7 May which will see voters in Scotland and Wales elect representatives to their national parliaments, while local council and mayoral polls will take place in England. Our article compares and contrasts the manifesto tax policies of the major parties in the Scottish election, most of which offer tax giveaways with scant detail on how they will be funded.

      Our next two articles both have an international feel. Our first one concentrates on how US estate tax can apply to US assets of non-US individuals, the compliance obligations that can arise and how US estate tax exposures can be managed. Our second article links to Tim Sarson’s regular international tax review published in Tax Journal which includes commentary on the US IEEPA tariff decision, Singapore’s most recent Budget and two CJEU rulings on Belgian CFC rules and withholding tax under the EU Interest and Royalties Directive.

      Tim Sarson takes up the pen again in our next item which is his latest City AM article which asks how tax policy may be able to help in the current energy crisis.

      Other News in Brief for this edition includes announced changes to the Electricity Generator Levy, changes to the way HMRC will carry out business risk reviews for large businesses, how the Government intends to counter an unintended SDLT burden for private renters that arises from the Renters Rights Act, updates to HMRC’s intangible assets manual to reflect the most recent Finance Act changes as well as publication of synthesised text of the Multilateral Instrument and certain Double Tax Conventions. We also include a link to KPMG’s Global Mobility Services third instalment of ‘See it Differently’, a three-part series exploring mobility trends, challenges and innovative approaches in the field of internationally mobile employment.

      Finally, our Indirect Tax Weekly Talking Points has resumed service and so we include links to the latest editions as well as our usual Week in Tax newsletter covering key tax developments from around the world.



      Tax matters for business

      Articles of interest to businesses
      group

      SC rejects capital allowance claims for pre-construction studies

      The Supreme Court has rejected Orsted West’s capital allowance claim for pre-construction studies for windfarm development

      Treaty relief and purpose tests: lessons from Burlington

      When does using a treaty cross the line? The Court of Appeal answers in Burlington

      Ring fence taxation case on ‘oil extraction activities’

      FTT finds that income arising from the provision of services by a ring fence company related party constitutes oil extraction activities

      Updated OECD manual on mutual agreement procedures (MAPs)

      Phil Roper’s recent article for Tax Notes International considers whether the new OECD guidance will make MAPs more effective

      Scottish Election 2026: tax in the manifestos

      We compare the main parties’ tax policy positions in the run up to the Scottish Parliamentary elections on 7 May 2026

      International tax review for March 2026

      Tim Sarson looks at the US IEEPA tariff decision, Singapore’s Budget and two CJEU rulings on Belgian CFC rules and WHT under EU IRD

      City AM – How to tax in an energy crisis

      In his latest column for City AM, Tim Sarson explores how tax policy can help government boost growth and investment

      Indirect Tax Weekly Talking Points – 22 April 2026

      This week’s edition covers FTT decisions on VAT liability for lidded hampers and assessment time limits, as well as recent UK Court updates

      Indirect Tax Weekly Talking Points – 29 April 2026

      This week’s edition includes a CJEU judgment on a subcontractor’s bad debt relief claim and an AG Opinion on Denmark’s VAT grouping rules



      Tax matters for employers

      Articles of interest to employers
      conversation

      2025/26 PSA Reporting: Are cost efficiencies being overlooked?

      Preparing your PAYE Settlement Agreement (PSA) can unlock valuable cost savings and improve compliance

      Employers of Record (EORs) and client employee share plans

      Extending client company share plans to EOR employees could create tax compliance challenges for the EOR – here are some points to consider

      Scottish Election 2026: tax in the manifestos

      We compare the main parties’ tax policy positions in the run up to the Scottish Parliamentary elections on 7 May 2026



      Tax matters for Individuals

      Articles of interest to individuals
      conversation

      Scottish Election 2026: tax in the manifestos

      We compare the main parties’ tax policy positions in the run up to the Scottish Parliamentary elections on 7 May 2026

      US assets and US estate tax: What a non-US person should be aware of

      Non-US persons with US assets face unique US Gift and Estate tax rules. We cover the key points and provide tips to manage US tax exposure



      Other news in brief

      • Government announces increase to the rate of, and an extension to, the Electricity Generator Levy
      • HMRC announce changes to the way they carry out Business Risk Reviews for Large Businesses
      • Government acts to counter unintended SDLT burden for private renters
      • HMRC update the intangible assets manual to reflect Finance Act 2026 changes
      • Synthesised text of the Multilateral Instrument and UK-Mexico, UK-Qatar, UK-Croatia and UK-Spain Double Taxation Conventions published
      • Part three of Global Mobility Services ‘See it Differently’ series

      Our tax insights

      View our previous editions of Tax Matters Digest


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