Cal. Health & Safety Code § 1603.5
(a) Notwithstanding any other provision of law, every person engaged in the production of blood shall, if the product is intended for transfusion, label each container of blood which the person produces with a label, upon which the following designations shall be printed in letters the size of which shall be no less prominent than the proper name of the product.
(b) As used in this section:
(3) “Payment” means the transfer by a blood bank, or any other party, to any person of money or any other valuable consideration which can be converted to money by the recipient, except that “payment” shall not include any of the following: