You can register for the Online EVN Mini-Symposium and Users' Meeting at the link
There is no registration fee.
To submit an abstract for a talk or poster, you should download the Abstract Template, fill it out, and email it to email@example.com. Please indicate in the subject line whether you are submitting an abstract for a talk or a poster.
The Proceedings of the EVN Mini-Symposium will be published in Proceedings of Science.