Registration must not be restricted among potential voters based on naturalized citizenship.
- Distinctions between those who are entitled to citizenship by birth and those who acquire it by naturalization may raise questions of compatibility with Article 25 [of the ICCPR].
- Reasonable requirements are usually limited to minimum age, nationality ... The work of the Human Rights Committee provides a good deal of guidance on the limits of reasonable restrictions. In the course of their deliberations, as mandated by the International Covenant on Civil and Political Rights, members of the Committee have noted that the following limitations on voting rights are not permissible: (c) restrictions on voting by naturalized citizens.