Commission Delegated Regulation supplementing Regulation (EU) 2023/2631 of the European Parliament and of the Council with regard to regulatory technical standards specifying the criteria for assessing the appropriateness, adequacy and effectiveness of the systems, resources and procedures of external reviewers, their compliance function, internal policies and procedures, assessment methodologies and information used for reviews, as well as the information and the form and content of applications for recognition of third-country external reviewers