Posted by Norka M. Schell, Esq.
* Dual citizenship exists because of the laws of the country granting nationality control nationality. International law imposes very few limitations on countries regarding whom they decide to make a citizen of their country. There are, of course, some limitations. The treaties or conventions to which the country is a party may impose similar restrictions. There is also internationally recognized "minimum contacts" types of jurisdictional requirement before one country will recognized the naturalization of a person by another country. However, given these limitations, all questions regarding the nationality of a person are determined in accordance with the laws of the country of claimed nationality. If a person has two or more nationalities because of this form of determination, the person is considered a dual national, i.e., a national of each of these States.
Most countries subscribe to the principles of nationality by descent (jus sanguinis), i.e., by being the child of a national, nationality by birth within a certain territory (jus soli), or a combination of these two principles. Therefore, it is not uncommon for a person to derive citizenship in one country because he or she was born there (jus soli) while deriving citizenship of another country under the principle of jus sanguinis, as the child of a citizen of absent a specific statutory requirement.
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* Research references: Steel on Immigration Law (2d ed.)
* Dual citizenship exists because of the laws of the country granting nationality control nationality. International law imposes very few limitations on countries regarding whom they decide to make a citizen of their country. There are, of course, some limitations. The treaties or conventions to which the country is a party may impose similar restrictions. There is also internationally recognized "minimum contacts" types of jurisdictional requirement before one country will recognized the naturalization of a person by another country. However, given these limitations, all questions regarding the nationality of a person are determined in accordance with the laws of the country of claimed nationality. If a person has two or more nationalities because of this form of determination, the person is considered a dual national, i.e., a national of each of these States.
Most countries subscribe to the principles of nationality by descent (jus sanguinis), i.e., by being the child of a national, nationality by birth within a certain territory (jus soli), or a combination of these two principles. Therefore, it is not uncommon for a person to derive citizenship in one country because he or she was born there (jus soli) while deriving citizenship of another country under the principle of jus sanguinis, as the child of a citizen of absent a specific statutory requirement.
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* Research references: Steel on Immigration Law (2d ed.)
