What is it?
An Identitätsnachweis (proof of identity) is an official document. It shows who you are. You need it, for example, when dealing with public authorities or submitting applications. If you are a citizen of an EU country, you can use the following documents, for example, as Identitätsnachweis:
Personalausweis (identity card)
If you are a citizen of a country outside the EU, you can use the following documents, for example, as Identitätsnachweis:
Aufenthaltstitel (residence title)
Passersatzpapiere (passport replacement documents)
Where can I get it?
Where you can get an Identitätsnachweis depends on the document itself.