California Code, Civil Code - CIV § 2079.14

(1) The seller's agent, if any, shall provide the disclosure form to the seller before entering into the listing agreement.

(2) The buyer's agent shall provide the disclosure form to the buyer as soon as practicable before execution of a buyer-broker representation agreement and execution of the buyer's offer to purchase. If the offer to purchase is not prepared by the buyer's agent, the buyer's agent shall present the disclosure form to the buyer not later than the next business day after receiving the offer to purchase from the buyer.