Cal. Bus. & Prof. Code § 17550.13
(a)
(1) A seller of travel shall not receive any money or other valuable consideration in payment for air or sea transportation or other travel services offered by the seller of travel unless at the time of or prior to the receipt of payment, the seller of travel first furnishes to the person making that payment written materials conspicuously setting forth the following information:
(2) There is no violation of this subdivision if both of the following occur: