European issuers subject to ESEF are required, for the first time, to mark-up the notes to their 2022 consolidated financial statements in ‘block tagging’. This new requirement has brought challenges for the issuers and software providers. How and when these challenges are overcome will have an impact on the auditor’s work.  

This guidance sets out practical considerations for auditors who will be performing ESEF assurance engagements. It focuses on considerations related to block tagging and describes main touchpoints for the engagement’s different phases.