105 The resolution of the joint sitting of the National Assembly for approval of the bill under paragraph one must be made by the votes of not less than two-thirds of the total number of existing Members of the National Assembly. Section 272. In the period of five years from the date of installation of the first National Assembly under this Constitution, an approval of a person suitable to be appointed as the Prime Minister shall be done in accordance with section 159, except for the consideration and approval under section 159 paragraph one, which shall be done by a joint sitting of the National Assembly, and the resolution approving the appointment of any person as the Prime Minister under section 159 paragraph three must be made by the votes of more than one-half of the total number of existing members of both Houses. During the time under paragraph one, if a Prime Minister cannot be appointed from the persons in the lists submitted by political parties under section 88 due to any reason, and members of both Houses comprising not less than one-half of the total number of existing members of both Houses submit a jointly signed petition to the President of the National Assembly requesting the National Assembly to pass a resolution exempting the nomination of the Prime Minister from the persons in the lists submitted by political parties under section 88, in such case, the President of the National Assembly shall promptly convene a joint sitting of the National Assembly. In the case where the National Assembly passes a resolution approving the exemption with votes of not less than two-thirds of the total number of existing members of both Houses, the procedure under paragraph one shall be undertaken further, in respect of which the nominated person may or may not be from the list submitted by political parties under section 88. Section 273. The judges of the Constitutional Court, the persons holding positions in Independent Organs and the Auditor-General who hold office on the day prior to the date of promulgation of this Constitution shall remain in office to perform duties. When the relevant Organic Acts prepared under section 267 have come into force, the continued holding of office shall be in accordance with such Organic Acts. In the absence of the Organic Acts prepared under section 267, the vacation of office of the judges of the Constitutional Court, the persons holding positions in Independent Organs and the AuditorGeneral shall be in accordance with the Constitution of the Kingdom of Thailand, B.E. 2550 (2007) and the relevant Organic Acts or laws. The acts of the Constitutional Court or Independent Organs and the AuditorGeneral shall be in accordance with the laws in force on the day prior to the date of promulgation of this Constitution, insofar as they are not contrary to or inconsistent with the provisions of this Constitution.