‘Without prejudice to point 4.7.2.2.3 concerning additional medical examinations and/or psychological assessments, where here a periodic medical examination should have been completed between 1 March 2020 and 31 August 2020, the period within which it must be completed is extended by 6 months. The extension shall not apply when the medical doctor has set an increased frequency of examination, unless the Member State decides otherwise. The railway undertaking and the infrastructure manager shall have in place procedures to control the risk that staff attend for work unfit for work.’.