{"code":"CIV","codeName":"Civil Code","section":"1578","citation":"Civ. Code, § 1578","status":"in-force","lawOn":"2026-09-28","headings":[{"name":"DIVISION 3. OBLIGATIONS [1427. - 3273.91.]","url":"https://blackletter.si/civil-code/division-3"},{"name":"PART 2. CONTRACTS [1549. - 1701.]","url":"https://blackletter.si/civil-code/division-3/part-2"},{"name":"TITLE 1. NATURE OF A CONTRACT [1549. - 1615.]","url":"https://blackletter.si/civil-code/division-3/part-2/title-1"},{"name":"CHAPTER 3. Consent [1565. - 1590.]","url":"https://blackletter.si/civil-code/division-3/part-2/title-1/chapter-3"}],"history":"Enacted 1872.","effective":null,"html":"<p>Mistake of law constitutes a mistake, within the meaning of this Article, only when it arises from:</p><p>1. A misapprehension of the law by all parties, all supposing that they knew and understood it, and all making substantially the same mistake as to the law; or,</p><p>2. A misapprehension of the law by one party, of which the others are aware at the time of contracting, but which they do not rectify.</p>","text":"Mistake of law constitutes a mistake, within the meaning of this Article, only when it arises from: 1. A misapprehension of the law by all parties, all supposing that they knew and understood it, and all making substantially the same mistake as to the law; or, 2. A misapprehension of the law by one party, of which the others are aware at the time of contracting, but which they do not rectify.","otherVersions":[],"url":"https://blackletter.si/civil-code/consent-1578","source":"California Legislative Information bulk export (pubinfo)"}