The twenty-fifth session of the Advisory Committee (postponed from 17 to 21 August 2020 due to COVID-19) will take place from 15 to 19 February 2021. Note: In view of the current restrictions to prevent the spread of COVID-19, whereby public meetings of more than 5 participants are prohibited in Switzerland, the session will be held virtually on an online platform. Secretariat will communicate more technical details on how to access the online platform in due course .