New Rules for British Citizens After Brexit
The German Parliament (Bundestag) has adopted legislation implementing the Withdrawal Agreement in Germany. All the UK nationals living in Germany on and beyond the end of the transition period (31 December 2020) should notify their local Foreigners Authority (usually called Ausländerbehörde) by 30 June 2021, in order to obtain a new residence document confirming their rights (Aufenthaltsdokument-GB)