Regulation (EU) 2021/267 of the European Parliament and of the Council of 16 February 2021 laying down specific and temporary measures in view of the persistence of the COVID-19 crisis concerning the renewal or extension of certain certificates, licences and authorisations, the postponement of certain periodic checks and periodic training in certain areas of transport legislation and the extension of certain periods referred to in Regulation (EU) 2020/698 (Text with EEA relevance)