This document provides information about an upcoming masterclass on mastering clinical trial documents. The masterclass will outline regulations related to the Trial Master File and explain how documents can be created and managed to ensure an inspection-ready file. Attendees will learn about documentation requirements, effective document management strategies, using records to enhance information sharing and facilitate operations, and improving inspection readiness to avoid burdensome preparations for audits. The full-day event will include presentations, discussions and activities on topics such as the Trial Master File reference model, electronic record requirements, inspection expectations, and archiving requirements and options.