2016 Political Law, Q20

Under Sec. 5, Article VIII of the Constitution, the Supreme Court shall have the power to “promulgate rules concerning the protection and enforcement of constitutional rights, pleading, practice and procedure in all courts xxx.” Section 23 of R.A. No. 9165 or the Comprehensive Dangerous Drugs Act of 2002 provides that “any person charged under any provision of this Act regardless of the imposable penalty shall not be allowed to avail of the provision on plea-bargaining.” Patricio, a user who was charged with alleged sale of shabu but who wants to enter a plea of guilt to a charge of possession, questions the constitutionality of Sec. 23 on the ground that Congress encroached on the rule-making power of the Supreme Court under Sec. 5, Article VIII. He argues that plea-bargaining is procedural in nature and is within the exclusive constitutional power of the Court. Is Patricio correct? Explain your answer. (5%)

Quick check

Which constitutional provision vests the Supreme Court with the exclusive power to promulgate rules concerning pleading, practice, and procedure in all courts?

In Estipona v. Lobrigo, how did the Supreme Court classify plea bargaining?

Why was Section 23 of Republic Act No. 9165 declared unconstitutional in relation to plea bargaining?

Under the 1987 Constitution, what is a key limitation on the Supreme Court's procedural rule-making power?

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Which constitutional principle is violated when Congress enacts a statute that effectively repeals or modifies a rule of procedure promulgated by the Supreme Court?

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1. Rule-Making Power
Under Section 5(5), Article VIII of the 1987 Philippine Constitution, the Supreme Court possesses the exclusive power to promulgate rules concerning the protection and enforcement of constitutional rights, pleading, practice, and procedure in all courts. This constitutional authority is part of the safeguards of judicial independence and is no longer shared with the Executive or Legislative departments. Consequently, Congress cannot enact laws that repeal, alter, or modify procedural rules promulgated by the Supreme Court. Any statute that encroaches upon this exclusive rule-making jurisdiction violates the fundamental principle of separation of powers.

2. Plea Bargaining
Plea bargaining is defined as a rule of procedure that allows an accused and the prosecution to reach a mutually satisfactory disposition of a criminal case subject to court approval. It creates no substantive right nor takes away a vested right, but operates as a procedural mechanism to enforce existing rights and administer legal remedies efficiently. In Estipona v. Lobrigo, the Supreme Court held that plea bargaining falls within the exclusive rule-making domain of the Judiciary. Thus, statutory provisions prohibiting plea bargaining in specific offenses unlawfully invade the procedural authority of the Court.

3. Separation of Powers
The doctrine of separation of powers allocates distinct constitutional functions to the executive, legislative, and judicial branches to prevent undue concentration of authority. Under this framework, the legislature is tasked with enacting laws, while the judiciary is vested with the power to interpret laws and promulgate rules of procedure. When Congress enacts a statutory provision that attempts to prohibit or restrict procedural mechanisms like plea bargaining, it oversteps its legislative competence and invades the exclusive domain of the Supreme Court. Such statutory encroachment violates the constitutional boundary between coordinate branches of government.

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The questions reproduced here are the official texts of the Philippine Bar Examinations, published by the Supreme Court. They are reproduced for study purposes.The suggested answers are the author’s own.

They are not official answers, have no connection with the Supreme Court, the Office of the Bar Confidant, or any bar review institution, and are not endorsed by any of them. Official answer keys, where released, should be preferred over anything here.Nothing on this page is legal advice, and reading it creates no lawyer-client relationship. Do not rely on any suggested answer in an actual legal matter. Consult counsel on your own facts.Suggested answers reflect the law and jurisprudence the author considers applicable as of the date shown.

Where a question comes from an earlier examination, the suggested answer applies the law as it now stands, which may differ from the law in force when the question was given, and may therefore differ from what would have been the correct answer at that time. Where the difference is material, the answer notes it.The practice scoring feature measures wording overlap with the suggested answer. It is not a grade, carries no official weight, and says nothing about whether your reasoning is sound.Errors are possible. If you find one, please tell me and I will correct it.Last reviewed: October 2026