Section 13
SEC. 13. There shall be in each province a Census Advisory Board, which shall be composed of any or all members of the provincial board, and of such other persons as may be appointed by the President of the Philippines: Provided, That the membership in such board shall not be more than five: Provided, further, That in those divisions corresponding to the City of Manila and to non-Christian provinces or portions thereof, the establishment of such boards shall not be obligatory. The members of Census Advisory Boards shall serve as such ex officio and shall receive formal appointments. There shall be a president of every such board who shall be a member of the provincial board, and one or more vice-presidents. The president, or m his absence the ranking vice-president shall, subject to general regulations to be prescribed by the President of the Philippines, call the meetings of the board and regulate its business. It shall be the duty of such boards to assist and advise the officer in charge of census operations in the provinces, and to use all authority and influence which they may possess, collectively or individually, with the people of the province and with the local officials to secure active and hearty cooperation with the Census officers.