It also analyses race, ethnicity, location, nationality, and disability. Emergency passports may be issued to any person holding British nationality. OCI status exempts holders from immigration controls generally imposed upon others of the same nationality. The Foreign Legion accepts people enlisting under a nationality that is not their own. Brazilians are the most prevalent foreign nationality. The procedure varies depending on nationality and residency status. Confirming previous findings that these effects persist regardless of nationality or culture. Anyone applying for Vietnamese nationality must adopt a Vietnamese name. Passports contain a statement of the nationality of the holder. Offenders have been jailed, deported or have their nationality revoked. Mexican laws regarding nationality by birth are very open. Such determinations are part of nationality law. The Andalusian autonomous community is officially recognised as a "historical nationality". The 1909 law placed restrictions on Chinese subjects with dual nationality within China. They were acutely displeased at the choice between British and South African nationality.