Yes, there is a comprehensive list of banned destinations and banned people/organizations. Banks develop and audit systems that import this database and scan th

Yes, there is a comprehensive list of banned destinations and banned people/organizations. Banks develop and audit systems that import this database and scan their data warehouses to make sure no one is on it. http://www.treasury.gov/resource-center/sanctions/SDN-List/Pages/default.aspx http://www.treasury.gov/resource-center/sanctions/SDN-List/P...