The Isle of Man Treasury has brought into force amendments to the Value Added Tax Act 1996 and the Value Added Tax Regulations 1996 that increase penalties for late payment of VAT and allow extensions to the deadline for submitting a final VAT return when a business de-registers. The changes are intended to keep Isle of Man VAT rules and procedures aligned with those in the United Kingdom under the Customs and Excise Agreement 1979. Higher late payment penalty rates apply from 31 July 2025 for VAT accounting periods starting on or after 1 June 2025: 3% of unpaid VAT if not fully paid within 15 days of the due date, a further 3% if any amount remains unpaid at 30 days, and a 10% penalty for any VAT still unpaid after 30 days. Separately, from 1 July 2025 the Treasury can extend the time limit for submitting a final VAT return for businesses that de-register on or after that date where processing delays or compliance activity make the standard deadline difficult or impossible to meet, with the stated aim of avoiding unfair penalties or interest during the de-registration process.