California Code, Civil Code - CIV § 2959

The disclosures required by this article shall be made as soon as practicable, but before execution of any note or security documents.  If any disclosure is made after the execution of credit documents by the purchaser, such documents shall be contingent on the purchaser's approval of the disclosures prior to execution of the security documents.  The disclosure statement shall be receipted for by the purchaser and the vendor.  The disclosure shall be signed by the arranger of credit and a copy shall be delivered respectively to the purchaser and the vendor and the arranger shall retain a true copy of the executed statements for three years.

The provisions of this section do not apply to the disclosures required by Section 2966.