Iceland-United Kingdom: Ratified the tax treaty

The Icelandic Court of Appeals (Landsréttur) upheld the ruling of the District Court of Reykjavík in Iceland’s first transfer pricing case (No. 213/2025) on 19 February 2026.  The court confirmed that taxpayers must prove that related-party

UK’s Tax Authority, HM Revenue & Customs (HMRC) has issued an updated notice specifying jurisdictions with a qualified income inclusion rule (IIR) and/or a qualifying domestic top-up tax (QDMTT) that meets safe harbour standards. The

Bosnia and Herzegovina’s Ministry of Foreign Affairs announced that officials from Bosnia and Herzegovina and Iceland held talks on 18 February 2026 to review bilateral relations. The meeting marked the start of preparations for negotiating an

UK HMRC published guidance on 17 February 2026, Check if and when you need to register as a tax adviser with HMRC, together with the related guidance Check if you meet HMRC's conditions to register as a tax adviser. Check if and when you need to

The income and capital gains tax treaty between Peru and the UK entered into force on 21 January 2026. Signed on 20 March 2025, the agreement aims to eliminate double taxation, prevent tax evasion and avoidance, and improve dispute resolution

The Joint Chiefs of Global Tax Enforcement (J5) published two law enforcement advisories on 11 February 2026 that detail how over-the-counter (OTC) cryptocurrency trading desks and cryptocurrency payment processors may be used to obfuscate and move