12 CFR § 7.5007 - Correspondent services.
It is part of the business of banking for a national bank to offer as a correspondent service to any of its affiliates or to other financial institutions any service it may perform for itself. The following list provides examples of electronic activities that banks may offer correspondents under this authority. This list is illustrative and not exclusive; the OCC may determine that other activities are permissible pursuant to this authority.
(a) The provision of computer networking packages and related hardware;
(b) Data processing services;
(c) The sale of software that performs data processing functions;
(d) The development, operation, management, and marketing of products and processing services for transactions conducted at electronic terminal devices;
(e) Item processing services and related software;
(g) The provision of Internet merchant hosting services for resale to merchant customers;
(h) The provision of communication support services through electronic means; and
(i) Digital certification authority services.