April 1979
4presidential decrees- 01PD 1621Amending Sections Six; Twenty, Paragraph (D) and the Last Paragraph Thereof; Twenty-One; Forty,paragraph (D) and Forty-One of Presidential Decree Numbered Four Hundred and Sixty-Four, as Amended, Otherwise Known as the Real Property Tax Code, and Adding Thereto a New Section Denominated as Section Ninety-Seven (a).
- 02PD 1620Granting to the International Rice Research Institute (Irri) the Status, Prerogatives, Privileges and Immunities of an International Organization.
- 03PD 1617Integrating the Balaoan School of Fisheries Located at Barangay Paraoir, Balaoan, La Union with the Don Mariano Marcos Memorial State College and Appropriating Funds for the Purpose.
- 04PD 1616Creating the "Intramuros Administration" for Purposes of Restoring and Administering the Development of Intramuros