Except in cases specified by law, lesion or inadequacy of cause shall not invalidate a contract, unless there has been fraud, mistake or undue influence. (n)
Civil Code · Book IV: Obligations and Contracts · Title II: Contracts
Chapter 2: Essential Requisites of Contracts · Sec. 1: Consent
Current text, as of October 24, 2026
Except in cases specified by law, lesion or inadequacy of cause shall not invalidate a contract, unless there has been fraud, mistake or undue influence. (n)
Consolidated by Alleba from the text of Republic Act No. 386 (Lawphil and the Supreme Court E-Library). Book I provisions on marriage, family relations and parental authority were repealed by the Family Code (Executive Order No. 209, 1987) and are shown for reference only. For information and research only, and not legal advice. For certified copies, refer to the Official Gazette or the issuing agency.