Substantive law defines the rights and duties of individuals and entities. It sets out the substance of legal relationships, including what actions are legally permissible, what constitutes a crime, and what penalties apply for legal violations. It also governs legal rights and obligations in civil, criminal, family, and contract law.

Purpose: To establish and regulate the legal rights, duties, and responsibilities of people and organizations.

Procedural law provides the rules and methods by which substantive laws are enforced. It dictates the steps and processes that must be followed to protect rights and seek remedies through the legal system. This includes rules for filing lawsuits, conducting trials, appeals, and the enforcement of judgments.

Purpose: To establish the procedures that must be followed in legal cases to ensure that substantive rights are respected and that justice is delivered