<Ol> <Li> If the other citizenship is that of another EU country or of Switzerland . Non-EU and non-Swiss citizens must usually renounce their old citizenship if they want to become German citizens . There are exceptions made for citizens of countries that do not allow their citizens to renounce their citizenship (e.g., Argentina, Bolivia, Brazil, Costa Rica . P.S.: In case of Brazil it is possible to renounce your citizenship through a requirement made in the Brazilian consulate if you already have acquired another citizenship voluntarily, but it is not required to do so; the following jus - soli countries allow renunciation only if the citizenship was acquired involuntarily by birth there to non-citizen parents: Dominican Republic, Ecuador, Guatemala, Honduras, Mexico, Nicaragua, Uruguay), or if the renunciation process is too difficult, humiliating or expensive (e.g., Afghanistan, Algeria, Angola, Cuba, Eritrea, Iran, Iraq, Lebanon, Morocco, Nigeria, Syria, Thailand, Tunisia, USA), or, rarely, in individual cases if the renunciation of the old citizenship means enormous disadvantages for the concerned person . </Li> <Li> If a German citizen acquires a non-EU or non-Swiss citizenship with the permission ("Beibehaltungsgenehmigung (de)") of the German Government (e.g., existing relative ties or property in Germany or in the other country or if the occupation abroad requires domestic citizenship for execution). The voluntary acquisition of a non-EU or non-Swiss citizenship without permission usually means the automatic loss of the German citizenship (but see Point 4). The permission is not necessary if the other citizenship is of another EU country or of Switzerland or if dual citizenship was obtained at birth . </Li> <Li> If the person is a refugee and holds a 1951 travel document during naturalization . </Li> <Li> If a child born to German parents acquires another citizenship at birth (e.g., based on place of birth (birth in jus - soli countries mostly of the Americas), or descent from one parent (one German parent and one foreign parent)). </Li> <Li> Children born on or after 1 January 2000 to non-German parents acquire German citizenship at birth if at least one parent has a permanent residence permit (and had this status for at least three years) and the parent was residing in Germany for at least eight years . The children must have lived in Germany for at least eight years or attended school for six years until their 21st birthday . Non-EU - and non-Swiss - citizen parents born and grown up abroad usually cannot have dual citizenship themselves (but see Point 1). </Li> </Ol> <Li> If the other citizenship is that of another EU country or of Switzerland . Non-EU and non-Swiss citizens must usually renounce their old citizenship if they want to become German citizens . There are exceptions made for citizens of countries that do not allow their citizens to renounce their citizenship (e.g., Argentina, Bolivia, Brazil, Costa Rica . P.S.: In case of Brazil it is possible to renounce your citizenship through a requirement made in the Brazilian consulate if you already have acquired another citizenship voluntarily, but it is not required to do so; the following jus - soli countries allow renunciation only if the citizenship was acquired involuntarily by birth there to non-citizen parents: Dominican Republic, Ecuador, Guatemala, Honduras, Mexico, Nicaragua, Uruguay), or if the renunciation process is too difficult, humiliating or expensive (e.g., Afghanistan, Algeria, Angola, Cuba, Eritrea, Iran, Iraq, Lebanon, Morocco, Nigeria, Syria, Thailand, Tunisia, USA), or, rarely, in individual cases if the renunciation of the old citizenship means enormous disadvantages for the concerned person . </Li> <Li> If a German citizen acquires a non-EU or non-Swiss citizenship with the permission ("Beibehaltungsgenehmigung (de)") of the German Government (e.g., existing relative ties or property in Germany or in the other country or if the occupation abroad requires domestic citizenship for execution). The voluntary acquisition of a non-EU or non-Swiss citizenship without permission usually means the automatic loss of the German citizenship (but see Point 4). The permission is not necessary if the other citizenship is of another EU country or of Switzerland or if dual citizenship was obtained at birth . </Li> <Li> If the person is a refugee and holds a 1951 travel document during naturalization . </Li>

Is it possible to have dual citizenship in germany
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