TEXT-Article 2, Article 4 and Article 148 of the Constitution

Article 2 of the Constitution says "the Republic of Turkey is a democratic, secular and social state governed by the rule of law; bearing in mind the concepts of public peace, national solidarity and justice; respecting human rights; loyal to the nationalism of Atatürk, and based on the fundamental tenets set forth in the Preamble."

Article 4, bearing the title "Irrevocable Provisions", of the Constitution says, "The provision of Article 1 of the Constitution establishing the form of the state as a Republic, the provisions in Article 2 on the characteristics of the Republic, and the provision of Article 3 shall not be amended, nor shall their amendment be proposed."

Article 148 of the Constitution says "the Constitutional Court shall examine the constitutionality, in respect of both form and substance, of laws, decrees having the force of law, and the Rules of Procedure of the Turkish Grand National Assembly. Constitutional amendments shall be examined and verified only with regard to their form. However, no action shall be brought before the Constitutional Court alleging unconstitutionality as to the form or substance of decrees having the force of law issued during a state of emergency, martial law or in time of war. The verification of laws as to form shall be restricted to consideration of whether the requisite majority was obtained in the last ballot; the verification of constitutional amendments shall be restricted to consideration of whether the requisite majorities were obtained for the proposal and in the ballot, and whether the prohibition on debates under urgent procedure was complied with. Verification as to form may be requested by the President of the Republic or by one-fifth of the members of the Turkish Grand National Assembly. Applications for annulment on the grounds of defect in form shall not be made more than ten days after the date on which the law was promulgated; nor shall objection be raised. The President of the Republic, members of the Council of Ministers, presidents and members of the Constitutional Court, of the High Court of Appeals, of the Council of State, of the Military High Court of Appeals, of the High Military Administrative Court of Appeals, their Chief Public Prosecutors, Deputy Public Prosecutors of the Republic, and the presidents and members of the Supreme Council of Judges and Public Prosecutors, and of the Audit Court shall be tried for offences relating to their functions by the Constitutional Court in its capacity as the Supreme Court. The Chief Public Prosecutor of the Republic or Deputy Chief Public Prosecutor of the Republic shall act as public prosecutor in the Supreme Court. The judgements of the Supreme Court shall be final. The Constitutional Court shall also perform the other functions given to it by the Constitution."