Besides the requisites mentioned in § 5001 of this title, it is indispensible, in order that the mortgage may be validly constituted, that the instrument in which it is created be entered in the registry of property.\nThe persons in whose favor the law creates a mortgage shall have no other right than to demand the execution and entry of the instrument in which the mortgage may be constituted, without prejudice to the provisions of the Mortgage Law, in favor of the Commonwealth of Puerto Rico and of the municipalities, for the amount of the last year’s taxes, and in favor of the underwriters for the premium of the insurance.\nHistory —Civil Code, 1930, § 1774.
Puerto Rico Legal Code