In September 2020, ENTSO-E published 6 key recommendations for the review of the TEN-E Regulation. These high-level policy recommendations addressed the general framework of a revised TEN-E Regulation. The present Annex provides in-depth explanations and proposals on how this framework can be integrated into the TEN-E Regulation revision process. The Annex focuses on thematic focus areas considered by ENTSO-E as most important.