Divided into three key parts, this judicious Commentary first identifies the sources of EU pensions law and how EU law directly and indirectly affects pension rights, before considering the legislative background and articles of the IORP II Directive. Finally, it investigates important EU pension law issues, such as the mobility of EU workers and the protection of Pillar 2 employee pension rights. Key Features: Examines the impact of EU state aid law on pensions Discusses the meaning of the ‘prudent person rule’ in Article 19 of the IORP II Directive Provides a detailed article-by-article analysis of the IORP II Directive, in comparison to the relevant articles of the IORP I Directive Considers how EU pensions law has been retained in the UK post-Brexit and the effect of the UK Retained EU Law (Revocation and Reform) Act 2023. This Commentary is an essential resource to help practising pension lawyers in the EU and the UK avoid the pitfalls of EU pension law’s interaction with national pension policies and legislation. It is also beneficial for lawyers and policymakers in the EU Commission, EU Member State and UK governments, EIOPA and national competent authorities such as the UK Pensions Regulator and the Dutch Central Bank.