Due to the current COVID restrictions every participant of the conference will need to present an official document with a QR code confirming
a) complete vaccination against COVID-19 with an EU-approved vaccine
b) a negative PCR or antigene test (valid for 72 hours)
c) a postitive PCR or antigene test of more than 11 days but less than 6 months
More information can be found on the following website (unfortunately only in French)
https://www.gouvernement.fr/pass-sanitaire-toutes-les-reponses-a-vos-questions
You will need this document also for travelling and for eating in restaurants, etc.
You can add your document in your mobile phone using the French application „TousAntiCovid“