Section 6. In addition to the requirements provided for in other laws for the registration of titles to lands, no private land shall be transferred under this Act, unless the transferee shall submit to the register of deeds of the province or city where the property is located a sworn statement showing the date and place of his birth; the names and addresses of his parents, of his spouse and children, if any; the area, the location and the mode of acquisition of his landholdings in the Philippines, if any; his intention to reside permanently in the Philippines; the date he lost his Philippine citizenship and the country of which he is presently a citizen; and such other information as may be required under Section 8 of this Act.