Article (90) The State shall encourage the charitable endowment system for the establishing and sponsoring of scientific, cultural, health, social institutions and others, and shall ensure the independence thereof. The affairs of such institutions shall be managed in accordance with the conditions set by the person who created the endowment, as regulated by Law. Article (91) The State may grant political asylum to any foreigner persecuted for defending the interests of people, human rights, peace or justice. Extradition of political refugees is prohibited. All of the foregoing shall be according to the Law. Article (92) Inalienable rights and freedoms of citizens may not be suspended or reduced. No law regulating the exercise of rights and freedoms may restrict such rights and freedoms in a manner prejudicing the substance and the essence thereof. Article (93) The State shall be bound by the international human rights agreements, covenants and conventions ratified by Egypt, and which shall have the force of law after publication in accordance with the prescribed conditions. 26