MA35Magistratsabteilung 35 Residency and citizenship issues in Vienna are handled by Magistratsabteilung 35 (MA35). It has several offices in Vienna and where you need to go depends on whether or not you are an EU citizen (you go to one or other of its EU Referat offices depending on the district you live in), or its premises for third country nationals. have opened their online appointment tool for appointments to get the Article 50 EUV cardAufenthaltstitel "Artikel 50 EUV" The Aufenthaltstitel "Art 50 EUV" is a residency title to be issued to British citizens from the end of the transition period. Its name is derived from Article 50 of the Treaty on European Union. The "Titel" refers to the document or card itself, and not the right, or permission that it confirms. from January 2021 today (1 December 2020). Some 400 appointments are being set aside each week in Vienna to help cope with the demand for the 4,500+ British citizens living in Vienna.
Update 09.12.2020: (Information supplied by the Expat Center)
Clarification has been received from MA35 requesting people NOT to post documents in advance of a personal appointment. This if anything hinders processing rather than helping. Doing so has created a huge backlog of e-mails to be read and protocolled. Please just bring all documents (and copies thereof to your appointment).