The shipping contract prescribed in section 11729 shall contain all of the following conditions, phrases, conditions and disclosures: (1) « I (we) the signed shipper,/the signing shippers, hereby entrust possession of my or our) vehicle, _____ (Dealer #) ______ (Dealers #) _____ or for the sole purpose of selling the vehicle and the amount agreed to in accordance with this Agreement.  This Agreement shall be valid only for a period of ____ days from that date. 3. « When the vehicle is sold by the consignee during the term of this contract, the money due to the sender shall be payable within twenty days from the date of sale in accordance with the provisions of this contract. (8) COMMUNICATION TO THE SENDER: Failure by the recipient to comply with the terms of this Agreement may constitute a violation of the law that may result in criminal or administrative sanctions or both.  If you believe that the recipient has not complied with the terms of this Agreement, please contact an investigator from the Motor Vehicle Department. 5. « Within twenty days of the sale, the consignee must invoice the sender with the following documents: date of sale, repairs authorized by the sender (working document), exact amount of instructions to be paid to the creditors of pledges, proof of payment of any pledge rights and overall sale price. (Any difference between the declared outstanding amount and the actual payment to the secured creditor shall be credited to the supplier. . . .