Article 121. Every individual shall have the right to freedom of movement and residence within the borders of a State provided he abides by the law. 2. Every individual shall have the right to leave any country including his own, and to return to his country. This right may only be subject to restrictions, provided for by law for the protection of national security, law and order, public health or morality. 3. Every individual shall have the right, when persecuted, to seek and obtain asylum in other countries in accordance with laws of those countries and international conventions. 4. A non-national legally admitted in a territory of a State Party to the present Charter, may only be expelled from it by virtue of a decision taken in accordance with the law. 55. The mass expulsion of non-nationals shall be prohibited. Mass expulsion shall be that which is aimed at national, racial, ethnic or religious groups.