Aquino vs. Enrile

The Court held that the validity of Proclamation No. 1081 and the resulting detentions are constitutionally sound and beyond further judicial review. The governing principle established is that the 1973 Constitution's transitory provision ratified all presidential acts issued prior to its ratification, and a subsequent popular referendum affirming the continuation of martial law transferred the issue from the realm of executive discretion to the sovereign will of the people. Consequently, the Court ruled that martial law implicitly suspends the privilege of the writ of habeas corpus for detainees held for rebellion-related acts, and the imposition of restrictions on released detainees germane to the proclamation's objectives does not constitute an unlawful deprivation of liberty.

President Ferdinand E. Marcos issued Proclamation No. 1081 on September 21, 1972, placing the entire Philippines under martial law pursuant to Article VII, Section 10(2) of the 1935 Constitution. The proclamation invoked the Commander-in-Chief powers to suppress lawless violence, insurrection, and rebellion, and expressly ordered the detention of persons involved in or connected to crimes against national security and public order. Pursuant to General Order No. 2, issued the following day, the Armed Forces of the Philippines arrested and detained numerous political figures, journalists, activists, and private citizens. The petitioners, acting individually or on behalf of detained relatives, filed petitions for habeas corpus challenging the legality of their confinement and the constitutional validity of the martial law proclamation. The cases were consolidated for en banc resolution.

• On September 21, 1972, the President issued Proclamation No. 1081, declaring martial law across the Philippines and ordering the Armed Forces to maintain law and order and suppress rebellion.
• General Order No. 2, dated September 22, 1972, directed the military to arrest and detain individuals alleged to be participants in or aiders of a conspiracy to seize state power by force.
• The petitioners, comprising prominent politicians, journalists, and private citizens, were arrested and held without formal criminal charges under the authority of the proclamation.
• Petitioners filed multiple petitions for habeas corpus with the Supreme Court, asserting that their detention violated constitutional guarantees and that the martial law proclamation lacked a factual and legal basis.
• Jose W. Diokno filed a motion to withdraw his petition on December 28, 1973, alleging that the Court had lost legitimacy after members took new oaths under the 1973 Constitution.
• Benigno Aquino, Jr. was formally charged before a Military Commission on August 11, 1973, and filed a separate petition for certiorari and prohibition challenging the Commission's jurisdiction.
• By September 1974, most petitioners had either secured their release from custody or obtained leave to withdraw their petitions. Petitioner Diokno was released on September 11, 1974, rendering his petition moot.
• The remaining petitioners continued to contest the legality of their detention and the restrictions imposed upon those released, prompting the Court to resolve the consolidated cases on the merits.

• Petitioners argued that the declaration of martial law and the suspension of the privilege of the writ of habeas corpus were unconstitutional and subject to full judicial review.
• Petitioners maintained that the Court retained jurisdiction to examine the factual basis and necessity of the martial law proclamation, contending that the absence of widespread armed conflict in certain regions negated the claimed state of rebellion.
• Petitioners asserted that their continued detention without formal charges violated constitutional due process and that restrictions imposed on released detainees constituted an unlawful deprivation of liberty.
• Petitioner Diokno specifically contended that the Court's composition and authority were compromised by the transition to the 1973 Constitution, warranting the withdrawal of his petition.

• Respondents countered that the President's exercise of Commander-in-Chief powers to declare martial law constitutes a political question beyond the jurisdiction of the judiciary.
• Respondents maintained that a state of rebellion undeniably existed and that the military's detention of individuals for acts connected to the rebellion was a necessary and lawful measure to safeguard public order and national security.
• Respondents argued that the transitory provisions of the 1973 Constitution expressly validated all presidential acts promulgated prior to its ratification, thereby foreclosing any constitutional challenge to Proclamation No. 1081.
• Respondents contended that the restrictions placed on released detainees were administrative measures germane to the objectives of the martial law proclamation and did not amount to physical deprivation requiring habeas corpus relief.

• Procedural Issues: Whether the petitions should be dismissed on grounds of mootness due to the petitioners' release or voluntary withdrawal, and whether the habeas corpus petition of Benigno Aquino, Jr. should be dismissed in favor of his pending petition for certiorari and prohibition challenging a Military Commission.
• Substantive Issues: Whether the validity of Proclamation No. 1081 and the suspension of the privilege of the writ of habeas corpus are justiciable or constitute political questions, whether the 1973 Constitution and the subsequent national referendum foreclosed judicial inquiry into the martial law proclamation, and whether the imposition of restrictions on released detainees violates constitutional liberty guarantees.

• Procedural: The Court dismissed the petitions of individuals who withdrew their cases or were released from custody, finding the matters moot. The Court proceeded to adjudicate the remaining petitions, including that of Aquino, by an 8-4 vote, determining that the habeas corpus petition should be resolved on its merits notwithstanding the parallel certiorari proceedings.
• Substantive: The Court dismissed the remaining petitions. It held that while the justiciability of the martial law proclamation was debated among the Justices, the issue was rendered academic by the 1973 Constitution's transitory provision, which validated all prior presidential acts, and by the July 1973 national referendum that affirmed the continuation of martial law. The Court found no arbitrariness in the proclamation, noting the persistent state of rebellion. It ruled that the proclamation of martial law inherently suspends the privilege of the writ of habeas corpus for persons detained for rebellion-related offenses, and that administrative restrictions on released detainees germane to the proclamation's purpose are constitutionally permissible.

• Political Question Doctrine / Justiciability of Executive Prerogatives — The doctrine holds that certain governmental acts, particularly those involving national security and foreign policy, are entrusted to the political branches and are non-justiciable. The Court acknowledged the division on whether martial law is purely political, but concluded that even if subject to judicial scrutiny under the absence-of-arbitrariness test established in prior jurisprudence, the proclamation satisfied constitutional requirements given the documented state of rebellion.
• Implicit Suspension of the Writ of Habeas Corpus — The principle that a valid declaration of martial law necessarily entails the suspension of the privilege of the writ for individuals detained for acts related to the rebellion or insurrection. The Court applied this doctrine to hold that the constitutional guarantee against unlawful detention yields to the paramount objective of suppressing rebellion and preserving public safety during martial law.
• Ratification by Subsequent Constitutional Framework and Popular Referendum — The doctrine that subsequent constitutional provisions and direct expressions of sovereign will can validate prior executive acts and foreclose further legal challenge. The Court relied on the 1973 Constitution's transitory clause and the affirmative results of the 1973 referendum to conclude that the martial law proclamation acquired constitutional legitimacy and was removed from judicial oversight.

• "The question was thereby removed from the area of presidential power under the Constitution and transferred to the seat of sovereignty itself. Whatever may be the nature of the exercise of that power by the President in the beginning — whether or not purely political and therefore non-justiciable — this Court is precluded from applying its judicial yardstick to the act of the sovereign." — The Court invoked this passage to explain why the national referendum affirming the continuation of martial law rendered constitutional challenges moot, emphasizing that sovereign ratification supersedes judicial review.
• "Implicit in a state of martial law is the suspension of the said privilege with respect to persons arrested or detained for acts related to the basic objective of the proclamation, which is to suppress invasion, insurrection, or rebellion, or to safeguard public safety against imminent danger thereof." — The Court articulated this rule to establish that the suspension of habeas corpus is an inherent and necessary incident of martial law, justifying the continued detention and administrative restrictions imposed on the petitioners.

• Lansang v. Garcia — Cited as the controlling precedent establishing that the suspension of the privilege of the writ of habeas corpus is subject to judicial inquiry limited to determining whether the President acted arbitrarily. The Court applied this test to find that the factual basis for martial law remained valid and non-arbitrary.
• Barcelon v. Baker and Montenegro v. Castañeda — Cited by concurring Justices to contrast historical jurisprudence on martial law and suspension of the writ, with some Justices distinguishing or declining to follow their reasoning in light of the unique circumstances of the 1972 proclamation.
• Javellana v. Executive Secretary — Cited to affirm the validity and effectivity of the 1973 Constitution, thereby foreclosing collateral attacks on the martial law proclamation that rested on claims of constitutional illegitimacy.

• 1935 Constitution, Article VII, Section 10, Paragraph (2) — The constitutional provision vesting Commander-in-Chief powers in the President, authorizing the declaration of martial law and suspension of the writ of habeas corpus during invasion, insurrection, or rebellion. The provision served as the foundational authority for Proclamation No. 1081.
• 1973 Constitution, Article XVII, Section 3(2) — The transitory provision declaring that all proclamations, orders, and acts promulgated by the incumbent President prior to ratification remain valid, legal, binding, and effective. The Court relied on this clause to foreclose challenges to the martial law proclamation.
• General Order No. 2 (September 22, 1972) — The executive directive implementing the martial law proclamation by ordering the arrest and detention of individuals connected to rebellion and crimes against national security. The order formed the immediate legal basis for the petitioners' confinement.

• Justice Barredo — Concurred in the dismissal but maintained that political questions are not absolutely beyond judicial jurisdiction. He argued that the Court should abstain from interference as a matter of constitutional policy, except when facts of judicial notice reveal a manifest and palpable transgression of the Constitution.
• Justice Muñoz Palma — Concurred in the result but withheld assent to the broad proposition that the transitory provision constitutionally validated all presidential acts. She reasoned that the provision merely conferred a statutory imprimatur, leaving such acts subject to judicial review under the 1973 Constitution, yet voted for dismissal on alternative grounds.

• Justice Fernando — Dissented in part, advocating for the easing of travel restrictions on certain released detainees. He maintained that the question of whether martial law automatically suspends the privilege of the writ of habeas corpus remains open and cautioned against an absolute presumption of suspension without explicit constitutional or statutory mandate.
• Justice Teehankee — Maintained that the martial law proclamation remains justiciable and argued that a simple majority of seven votes sufficed to grant Diokno's motion to withdraw. He further contended that administrative restrictions on released detainees do not constitute deprivation of physical liberty within the constitutional scope of habeas corpus, warranting a narrower application of the writ.