Customer PCI Responsibilities. If Customer processes any credit card information using the Service, Customer will: (a) comply with its responsibilities under the Payment Card Industry Data Security Standard (“PCI DSS”); (b) implement and maintain commercially reasonable security measures to protect all cardholder data in Customer’s possession or control; and (c) not take any action in connection with using the Service that may place PV in non-compliance with the PCI DSS (for example, storing any cardholder data in any custom fields of the Service).