Executive summaryOn 5 August 2021, the Organisation for Economic Co-operation and Development (OECD) released an update on the results of the peer reviews of jurisdictions’ domestic laws under Action 5 (harmful tax practices) of the OECD/G20 Base Erosion and Profit Shifting (BEPS) Project. The results were approved on 7 June 2021 by the Inclusive Framework on BEPS.The updated results cover 18 tax regimes. According to the press release, the total number of tax regimes that have been reviewed, or are under review, is 309. The reviews were undertaken by the Forum on Harmful Tax Practices (FHTP) and only one regime (Trinidad and...