Aeronautical certificate part med – How do I prove that my aeronautical medical certificate is subject to exemption?

In accordance with the EASA Resolution of 5.5.2020 the extension of validity will be automatic, without the need to issue a new medical certificate. Interested parties must bear the medical certificate together with a copy of this decision. 

Additional information on medical certificates is available through the following link: 
AESA >Air sector professionals>Aeronautical medicine 
Clarifications on exemptions from Aeronautical Medical Certificates and AMEs due to COVID-19