OECD’s Harmful Tax Practices – 2024 Peer Review Reports on the Exchange of Information on Tax Rulings shows that most jurisdictions are effectively implementing the BEPS Action 5 transparency standard by exchanging tax-ruling information, though some still need to improve legal frameworks and timeliness

The report, approved by the OECD/G20 Inclusive Framework on 2 December 2025, assesses how participating jurisdictions comply with the minimum standard under BEPS Action 5 for spontaneous exchange of information on tax rulings, a key tool in tackling base erosion and...