of Guardians ensures that all articles of the Constitution as well other laws are based on Islamic criteria. Article 5 (Office of Religious Leader) This article explains the leaders of Ummah must choose a leader in accordance with Article 107 for this office. This is stated to be related to the disappearance of the Twelfth Imam whom it asks God to return. Chapter II [Article 15 to 18]: The Official Language, Script, Calendar, and Flag of the Country Official Language Article 15 states that the "Official language and writing script (of Iran)... is Persian ...[and]... the use of regional and tribal languages in the press and mass media, as well as for teaching of their literature in schools, is allowed in addition to Persian." Per Article 16, "Since the language of the Qur'an and Islamic texts ... is Arabic it must be taught ... in school from elementary grades until the end of high school." Chapter III [Article 19 to 42]: The Rights of the People Article 23 of the Iranian constitution holds that “the investigation of individuals’ beliefs is forbidden, and no one may be molested or taken to task simply for holding a certain belief.” Article 24 "Publications and the press are free to discuss issues unless such is deemed harmful to the principles of Islam or the rights of the public. The law shall determine the details of this exception." Article 27 provides for freedom of assembly, "provided arms are not carried" and the assemblies "are not detrimental to the fundamental principles of Islam". Article 37 provides for the presumption of innocence, stating: "Innocence is to be presumed, and no one is to be held guilty of a charge unless his or her guilt has been established by a competent court." Article 29 [Welfare benefits] is a universal right of all to enjoy social insurance or other forms of security for retirement, unemployment, old-age disability, lack of guardianship, being a wayfarer, accident and the need for health and treatment services and medical care. The government, in accordance with the laws and by drawing on national revenues, is required to provide such insurance and economic protection to each and every citizen of the country. Chapter IV [Article 43 to 55]: Economy and Financial Affairs Article 44: The Islamic Republic is not a Communist state as the Islamic scholars fiercely oppose this. Notwithstanding this, pursuant to Article 44, "all