“Reverse vending machine” means a mechanical device which accepts one or more types of empty beverage containers and issues a cash refund or a redeemable credit slip with a value not less than the container’s refund value. The refund value payments shall be aggregated and then paid, if more than one container is redeemed in a single transaction.
Source:
Section 14525.5, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=PRC§ionNum=14525.5..