(a) All cases in which the constitutionality or validity of any treaty, international or executive agreement, law, presidential decree, proclamation, order, instruction, ordinance, or regulation is in question. (b) All cases involving the legality of any tax, impost, assessment, or toll, or any penalty imposed in relation thereto. (c) All cases in which the jurisdiction of any lower court is in issue. (d) All criminal cases in which the penalty imposed is reclusion perpetua or higher. (e) All cases in which only an error or question of law is involved. (3) Assign temporarily judges of lower courts to other stations as public interest may require. Such temporary assignment shall not exceed six months without the consent of the judge concerned. (4) Order a change of venue or place of trial to avoid a miscarriage of justice. (5) Promulgate rules concerning the protection and enforcement of constitutional rights, pleading, practice, and procedure in all courts, the admission to the practice of law, the integrated bar, and legal assistance to the under-privileged. Such rules shall provide a simplified and inexpensive procedure for the speedy disposition of cases, shall be uniform for all courts of the same grade, and shall not diminish, increase, or modify substantive rights. Rules of procedure of special courts and quasi-judicial bodies shall remain effective unless disapproved by the Supreme Court. (6) Appoint all officials and employees of the Judiciary in accordance with the Civil Service Law. Section 6. The Supreme Court shall have administrative supervision over all courts and the personnel thereof. Section 7. (1) No person shall be appointed Member of the Supreme Court or any lower collegiate court unless he is a natural-born citizen of the Philippines. A Member of the Supreme Court must be at least forty years of age, and must have been for fifteen years or more, a judge of a lower court or engaged in the practice of law in the Philippines. (2) The Congress shall prescribe the qualifications of judges of lower courts, but no person may be appointed judge thereof unless he is a citizen of the Philippines and a member of the Philippine Bar. (3) A Member of the Judiciary must be a person of proven competence, integrity, probity, and independence. Section 8. (1) A Judicial and Bar Council is hereby created under the supervision of the Supreme Court composed of the Chief Justice as ex officio Chairman, the Secretary of Justice, and a representative of the Congress as ex officio Members, a representative of the Integrated Bar, a professor of law, a retired Member of the Supreme Court, and a representative of the private sector. (2) The regular members of the Council shall be appointed by the President for a term of four years with the consent of the Commission on Appointments. Of the Members first appointed, the representative of the Integrated Bar shall serve for four years, the