It cannot be found in the Terms, Privacy policy or FAQ. That’s simply dumb. Finally, in their forums we found you need to send a deletion request using the webform (see link).
URLS:
http://www.istockphoto.com
http://www.istockphoto.com/contact_ticket.php
Please note that AccountKiller.com is not associated with the business listed on this page. AccountKiller provides easy-to-understand instructions and guides on how to cancel charges and relationships from the list of businesses on our site, we have no affiliation with these businesses.
customer helpline phone number is +1 866 940 0005
Best information i have ever seen ;”..