Section 14
SEC. 14. The nationality of an immigrant whose admission is subject to the numerical limitations imposed by section thirteen of this Act shall be that of the country of which the immigrant is a citizen or subject, self-governing dominions being treated as separate countries. The nationality of an immigrant possessing dual nationality may be that of either of the two countries regarding him as a citizen or subject if he applies for a visa in a third country, but if he applies for such visa within one of the two countries regarding him as a national, his nationality shall be that of the country in which he shall file his application. DOCUMENTATION OF IMMIGRANTS