Legal Basis

  • The 1987 Philippine Constitution

The Autonomous Region in Muslim Mindanao (ARMM) was  established by virtue of Article X, Section 15 to 19 of the 1987 Philippine Constitution.

  • Republic Act 6734 (August 1, 1989)

The Organic Act for the Autonomous Region in Muslim Mindanao was approved by then President Corazon C. Aquino  on August 1, 1989 and ratified through a plebiscite last November 19, 1989 by the constituents of the region.

  •   Executive Order No. 426 ( October 12, 1990)

Executive Order No. 426 issued by President Corazon C. Aquino on October 12,1990 devolves the Department of Public Works and Highways to the Autonomous Region in Muslim Mindanao.

  •   Republic Act 9054 (August 14, 2001)

An act to strengthen and expand the organic act for the Autonomous Region in Muslim Mindanao, amending for the purpose Republic Act No. 6734, entitled “An act providing for the Autonomous Region in Muslim Mindanao”  as amended.


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