March 31, 1981
Batas Pambansa - An Act Amending Certain Sections of the National Internal Revenue Code of 1977, as Amended, Governing the Taxation of Forest Products and for Other Purposes
March 31, 1981
Batas Pambansa - An Act Amending Certain Sections of the National Internal Revenue Code of 1977, as Amended, Governing the Taxation of Minerals and Mineral Products and for Other Purposes
March 10, 1981
Batas Pambansa - An Act Changing the Name of the Pangasinan General Hospital in the City of Dagupan to Governor Teofilo Sison Provincial Memorial Hospital
March 10, 1981
Batas Pambansa - An Act Changing the Name of the Cumadcad Emergency Hospital in Barangay Cumadcad, Municipality of Castilla, Province of Sorsogon, to Vicente L. Peralta Memorial Hospital