Do the merchants need to validate there devices are maintained and operated in accordance with VISA requirements?<p>Banks (including PEDS used by the bank) are audited by VISA to make sure they follow required stanadrds&#x2F;processes (i.e. see <a href="https:&#x2F;&#x2F;www.visa-asia.com&#x2F;ap&#x2F;center&#x2F;merchants&#x2F;riskmgmt&#x2F;includes&#x2F;uploads&#x2F;Visa_PIN_Security_Program_Auditors_Guide_aug_06.pdf" rel="nofollow">https:&#x2F;&#x2F;www.visa-asia.com&#x2F;ap&#x2F;center&#x2F;merchants&#x2F;riskmgmt&#x2F;inclu...</a> although this looks out of date)