Section 1803.4.

Cal. Civil Code - CIV § 1803.4.
in effect
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The seller shall not obtain the signature of the buyer to a contract when it contains blank spaces to be filled in after it has been signed.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026

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