Peter J Spiro
- Act of state — Jurisdiction of states, nationality principle — State practice — Customary international law
Published under the auspices of the Max Planck Foundation for International Peace and the Rule of Law under the direction of Rüdiger Wolfrum.
1 Multiple nationality is the condition in which individuals hold the nationality of more than one State (see also Option of Nationality).2 There are three significant sources of multiple nationality. First, multiple nationality may result from the interplay of different birthright nationality laws under which citizenship at birth can be ascribed both by location (the rule of ius soli) and by parentage (ius sanguinis), so that a child born in one State to a parent holding citizenship in another State will hold both nationalities at birth (see also Emigration;...