Art. two - Effectivity of Laws
Art. three - Ignorance of Law
Art. four - Non-Retroactivity
Art. five - Mandatory/Prohibitory Laws
Art. six - Waiver of Rights
Art. seven - Repeal of Laws
Art. eight - Judicial Decisions
Art. nine - Duty of Courts
Art. ten - Doubt in Interpretation
Art. eleven - Customs Customs contrary to law, public order, or public policy are not recognized.
A custom must be proven as a fact according to evidence rules.
Art. fourteen - Territorial Application
Art. fifteen - Personal Laws
Art. seventeen - Forms of Acts
Art. eighteen - Special Laws
Arts. nineteen to thirty-six - Human Relations and Civil Actions
Art. twenty - Violation of Law
Art. twenty-one - Against Morals
Art. twenty-two - Unjust Enrichment
Art. twenty-three - Benefit Despite No Fault
Art. twenty-four - Protection of the Vulnerable
Art. twenty-seven - Public Officer's Neglect
Art. twenty-eight - Unfair Competition
Art. twenty-nine - Acquittal and Civil Action
Art. thirty - Separate Civil Action
Art. thirty-one - Independent Civil Action
Art. thirty-two - Violation of Rights
Art. thirty-three - Defamation, Fraud, Physical Injuries
Art. thirty-four - Police Failure to Help
Art. thirty-five - No Criminal Liability
Art. thirty-six - Prejudicial Question
Arts. thirty-seven to fifty-one - Persons and Juridical Persons
Art. thirty-eight - Incapacity
Art. thirty-nine - Limitations on Capacity
Art. forty - Beginning of Personality
Art. forty-two - End of Personality
Art. forty-three - Doubt as to Death
Art. forty-four - Juridical Persons
Art. forty-five - Laws Governing Juridical Persons
Art. forty-six - Powers of Juridical Persons
Art. forty-seven - Dissolution
Art. forty-eight - Philippine Citizens
Art. forty-nine - Citizenship
Art. fifty - Domicile of Natural Persons
Art. fifty-one - Domicile of Juridical Persons