California · Civil Code

CIV §1697: A contract not in writing may be modified in any respect by consent of the parties, in writing, without a new consideration, and is extinguished thereby to the extent of the modification.

What this law says, in plain English

Parties to an unwritten contract may modify it by written agreement without requiring new consideration, and the modification extinguishes the original contract to that extent.

Read the full statutory text

A contract not in writing may be modified in any respect by consent of the parties, in writing, without a new consideration, and is extinguished thereby to the extent of the modification.

Verify at the official source: California legislative text

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This page is legal information, not legal advice. Code text is sourced from official publications and may lag amendments — always confirm at the official source linked above. Plain-English summaries and relationship data are AI-derived and reviewed on an ongoing basis; verify with a licensed attorney before acting.