Registration.
Section 17
SECTION 17. Registration. — All contracts to sell, deeds of sale and other similar instruments relative to the sale or conveyance of the subdivision lots and condominium units, whether or not the purchase price is paid in full, shall be registered by the seller in the Office of the Register of Deeds of the province or city where the property is situated. Whenever a subdivision plan duly approved in accordance with Section 4 hereof, together with the corresponding owner's duplicate certificate of title, is presented to the Register of Deeds for registration, the Register of Deeds shall register the same in accordance with the provisions of the Land Registration Act, as amended: Provided, however, that it there is a street, passageway or required open space delineated on a complex subdivision plan hereafter approved and as defined in this Decree, the Register of Deeds shall annotate on the new certificate of title covering the street, passageway or open space, a memorandum to the effect that except by way of donation in favor of a city or municipality, no portion of any street, passageway, or open space so delineated on the plan shall be closed or otherwise disposed of by the registered owner without the requisite approval as provided under Section 22 of this Decree.