A national plebscite and local plebiscites were held on April 7, 1981 in the Philippines. The plebiscite was set to amend the following revisions made by the Interim Batasang Pambansa, pursuant to Batasang Pambansa Blg. 122:
Call for the establishment of a modified parliamentary system, amending for this purpose Articles VII, VIII and IX of the Philippine Constitution Institute electoral reforms Provides that a natural-born citizen of the Philippines who has lost his Philippine citizenship may be a transferee of private land, for use by him as residence
Also were held in certain areas the creation of three municipalities in Bohol, South Cotabato and Zamboanga del Norte: For the creation of the new municipality of Bien Unido, Bohol, from certain barangays of Alibon and Trinidad, Bohol For the creation of the new municipality of Sto. Niño, South Cotabato from certain barangays of Banga and Norala, South Cotabato For the creation of the new municipality of Baliguian, Zamboanga del Norte, from certain Barangays of Siocon, Zamboanga del Norte
Results
The majority of the Filipino people voted "Yes" to the terms and constitutional amendments.
On changing the form of government
On prohibiting elective officials from being appointed, limiting participation to two largest parties only, and prohibiting party-switching