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Substantive vs Procedural Law

Sep 5, 2025

Overview

This lecture explains the differences between substantive law and procedural law, highlighting their definitions, purposes, and examples relevant to criminal cases.

Substantive Law

  • Substantive law defines how people are expected to behave in society.
  • It determines what acts constitute crimes and the corresponding punishments.
  • Substantive law also outlines the rights and responsibilities of citizens.
  • In criminal cases, it governs the determination of guilt or innocence.
  • The Revised Penal Code is an example of substantive law, listing crimes, their elements, and punishments.

Procedural (Remedial) Law

  • Procedural law prescribes the methods for enforcing rights or seeking remedies for violations.
  • It governs how court proceedings are conducted to enforce substantive laws.
  • Procedural law ensures adherence to due process, meaning fair treatment through the judicial system.
  • Examples include rules for filing cases, determining who can file, and court procedures.
  • The Rules of Court, issued by the Supreme Court, serve as procedural law and carry the effect of law.

Legal Changes and Authority

  • Both substantive and procedural laws can be changed by Supreme Court decisions and constitutional interpretation.

Key Terms & Definitions

  • Substantive Law — laws defining crimes, punishments, rights, and responsibilities.
  • Procedural Law — laws governing the process of enforcing rights and conducting court proceedings.
  • Due Process — the legal requirement for fair treatment before deprivation of rights.
  • Revised Penal Code — a substantive law listing crimes and punishments.
  • Rules of Court — procedural rules for court processes, issued by the Supreme Court.

Action Items / Next Steps

  • Review examples in the Revised Penal Code and Rules of Court.
  • Prepare questions regarding the distinction between substantive and procedural law for the next class.