Cal. Civil Code § 3431 : General Principles — California Civil Code — General Provisions — Debtor's contract valid against all creditors existing or subsequent Date: 14 Sep 2016 TEXT PDF Current through the 2016 Legislative Session In the absence of fraud, every contract of a debtor is valid against all his creditors, existing or subsequent, who have not acquired a lien on the property affected by such contract. Ca. Civ. Code § 3431