In view of the ESFRI Monitoring of the third batch of Landmarks that is about to start, ESFRI organises an online Information Workshop for Landmarks, on 7 December 2023, from 10:00 to 12:00 CET. The aim of the workshop is reach a joint understanding, to clarify the steps to be taken now and to answer some open questions in advance. The methodology and the organisation of the Monitoring process, refined based on the outcomes of the first batch, will also be presented.