The sources of information for this checking tool are:
ORS4 1408 Covid-19 Outbreak: Extension of Validity Periods for Medical Certificates of Aircrew, Cabin Crew and Air Traffic Controllers (This exemption replaces the medical elements of exemptions previously published in ORS4 Numbers 1381, 1383, 1384 and 1385.) A copy of ORS4 1408 should be carried if using this exemption.
ORS4 1409 Covid-19 –Outbreak: Extension of Validity and other Time Periods for Licences, Ratings, Privileges, Endorsements and Certificates of Balloon and Sailplane Pilots, Instructors and Examiners (This exemption supersedes Official Record Series 4 No. 1381which is revoked)
ORS4 1410 Covid-19 Outbreak: Extension of Validity Periods for Licences, Ratings and Certificates of Aircrew, Instructors, Examiners, Aircraft Maintenance Licence Holders and Air Traffic Controllers (This exemption supersedes Official Record Series 4 No. 1383, which is revoked).
ORS4 1411 Covid-19 Outbreak: Extension of Validity Periods for Licences, Ratings,Certificates and Training and Checking of Aircrew and Crew Operating under a UK National or Police Air Operator’s Certificate (This exemption supersedes Official Record Series 4 No. 1384, which is revoked).
ORS4 1412 Covid-19 –Outbreak: Extension of Validity and other Time Periods for EASA Licences, Ratings, Privileges, Endorsements and Certificates of Aeroplane and Helicopter Pilots, Instructors and Examiners Conducting Flying Operations other than within an Organisation Holding a National Air Operator’s Certificate, Police Air Operator’s Certificate or Required to Comply with Part-ORO (This exemption supersedes Official Record Series 4, No. 1385, which is revoked).
ORS4 1413 Covid-19 Outbreak: Extension of Validity Periods for Medical Certificates of Pilots holding a United Kingdom licence (This exemption replaces the medical elements of exemptions previously published in ORS4 Numbers1378 and 1382).
ORS4 1414 COVID-19 Outbreak:Extension of Validity Periods for National Licences, Ratings and Certificates of Flight Crew (This exemption supersedes Official Record Series 4 No. 1378, which is revoked).
ORS4 1415 Covid-19 –Outbreak: Extension of Validity and other Time Periods for UK National Licences, Ratings, Privileges, Endorsements and Certificates of Balloon Pilots, Instructors and Examiners (This exemption supersedes Official Record Series 4 No. 1382, which is revoked).
As relevant.
No exemption precludes the revalidation of licences, ratings or medical certificates so long as the participants do not breach legal prohibitions on non-essential activities, Government COVID-19 public health guidance, CAA guidance and they can be carried out safely.