Section 1
SECTION 1. A population census with classified social and economic information of the Philippines shall be taken under the supervision and control of the President of the Philippines. The enumeration shall begin on a day to be fixed by proclamation of the President of the Philippines and to be known as Census Day, and shall proceed on consecutive days from daylight to darkness including Sundays and holidays, until completed. All data prescribed to be gathered by this Act or by regulations issued under it shall be gathered as of twelve o'clock of the night preceding that day: Provided, That if it shall be deemed necessary, to require that the enumeration of any part or parts of the Philippines should begin before Census Day, the President of the Philippines shall, by proclamation, fix the time when such enumeration shall begin.