Cal. Health & Safety Code § 11107
(a) Any manufacturer, wholesaler, retailer, or other person or entity in this state that sells to any person or entity in this state or any other state, any laboratory glassware or apparatus, any chemical reagent or solvent, or any combination thereof, where the value of the goods sold in the transaction exceeds one hundred dollars ($100) shall do the following:
(1) Notwithstanding any other law, in any face-to-face or will-call sale, the seller shall prepare a bill of sale which identifies the date of sale, cost of product, method of payment, specific items and quantities purchased, and the proper purchaser identification information, all of which shall be entered onto the bill of sale or a legible copy of the bill of sale, and shall also affix on the bill of sale his or her signature as witness to the purchase and identification of the purchaser.
(2)
(d) For the purposes of this section, the following terms have the following meanings: