Haw. Rev. Stat. § 342G-115: Reverse vending machine requirements.

Reverse vending machines may be used by redemption centers to satisfy the requirements of section 342G-113. Reverse vending machines shall accept any type of empty deposit beverage container and pay out the full refund value in either cash or a redeemable voucher for those containers that bear a valid Hawaii refund value. If the reverse vending machine is unable to read the barcode then the reverse vending machine shall reject the container. The reverse vending machine shall be routinely serviced to ensure proper operation and continuous acceptance of empty deposit beverage containers and payment of the refund value.