Section 6. A free and open party system shall be allowed to evolve according to the free choice of the people, subject to the provisions of this Article. Section 7. No votes cast in favor of a political party, organization, or coalition shall be valid, except for those registered under the party-list system as provided in this Constitution. Section 8. Political parties, or organizations or coalitions registered under the party-list system, shall not be represented in the voters' registration boards, boards of election inspectors, boards of canvassers, or other similar bodies. However, they shall be entitled to appoint poll watchers in accordance with law. Section 9. Unless otherwise fixed by the Commission in special cases, the election period shall commence ninety days before the day of election and shall end thirty days thereafter. Section 10. Bona fide candidates for any public office shall be free from any form of harassment and discrimination. Section 11. Funds certified by the Commission as necessary to defray the expenses for holding regular and special elections, plebiscites, initiatives, referenda, and recalls, shall be provided in the regular or special appropriations and, once approved, shall be released automatically upon certification by the Chairman of the Commission. D. THE COMMISSION ON AUDIT Section 1. (1) There shall be a Commission on Audit composed of a Chairman and two Commissioners, who shall be natural-born citizens of the Philippines and, at the time of their appointment, at least thirty-five years of age, Certified Public Accountants with not less than ten years of auditing experience, or members of the Philippine Bar who have been engaged in the practice of law for at least ten years, and must not have been candidates for any elective position in the elections immediately preceding their appointment. At no time shall all Members of the Commission belong to the same profession. (2) The Chairman and the Commissioners shall be appointed by the President with the consent of the Commission on Appointments for a term of seven years without reappointment. Of those first appointed, the Chairman shall hold office for seven years, one Commissioner for five years, and the other Commissioner for three years, without reappointment. Appointment to any vacancy shall be only for the unexpired portion of the term of the predecessor. In no case shall any Member be appointed or designated in a temporary or acting capacity. Section 2. (1) The Commission on Audit shall have the power, authority, and duty to examine, audit, and settle all accounts pertaining to the revenue and receipts of, and expenditures or uses of funds and property, owned or held in trust by, or pertaining to, the Government, or any of its subdivisions, agencies, or instrumentalities, including