Lex soli is a law used in practice to regulate who and under what circumstances an individual can assert the right of jus soli. Most states provide a specific lex soli, in application of the respective jus soli, and it is the most common means of acquiring nationality. A frequent exception to lex soli is imposed when a child was born to a parent in the diplomatic or consular service of another state, on a mission to the state in question.
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