If you have residency permit, that gets updated. If you don't have (EU citizen) then having done the registration is enough. (I think GPs wording isn't particul

If you have residency permit, that gets updated. If you don't have (EU citizen) then having done the registration is enough. (I think GPs wording isn't particularly precise: what matters is the registration - and if you have a German ID document, then that gets updated at that point)