capital of provinces shall be mandatory for members of the provincial board. ( b ) Appointment . — The provincial governor shall be appointed by the department governor subject to the approval of the Governor-General; the secretary-treasurer shall be appointed by the department governor subject to the provisions of the Civil Service Law; and the third member shall be elected by a plurality of the votes of the members present at a convention of the vice-presidents and councilors of municipalities duly organized and such vice-presidents and councilors of municipal districts, within the p rovince, as the department governor may designate. ESHcTD ( c ) Election . — Within one year after the completion and publication of the census for the territory known as the Department of Mindanao and Sulu, or as soon thereafter as the department governor shall certify to the Governor-General that existing conditio ns in all or any of the provinces herein created justify the holding of such election, the Governor-General shall, by executive order, fix the date for a general election for the offices of provincial governor and third member of the provincial board for t he province or provinces certified to by the department governor, in accordance with the provisions of the Election Law. ( d ) Salaries .— Provincial governors shall each receive an annual salary not to exceed six thousand pesos and provincial secretary-treasurers an annual salary not to exceed five thousand pesos, said salaries to be fixed by the department governor in the app ointment and approved by the Governor-General with the appointment. The third member of the provincial board shall receive a compensation to be fixed by resolution of the provincial board of not less than five nor more than fifteen pesos for each day of ac tual attendance at the sessions of the board or for other duties he may be designated by the provincial 803 Philippine Law Encyclopedia 2011 Copyright 2012 CD Technologies Asia, Inc. and Accesslaw, Inc. ( a ) Qualifications . — No person shall be eligible for any of these offices who is not a citizen either of the United States or of the Philippine Islands; nor shall any person be so eligible who, having taken the oath of allegiance to the United States, shall  violate the same. The fact of non-residence in the province shall not be a bar to appointment to a provincial office or employment. The third member of the provincial board must be a qualified elector of his province in accordance with the provisions of  this title, and not less than twenty-five years of age. acHCSD