4.2—Office of the Comptroller of the Currency.
The OCC supervises and regulates national banks and Federal branches and agencies of foreign banks by examining these institutions to determine compliance with applicable laws and regulations; approving or denying applications for new charters or for changes in corporate or banking structure; approving or denying activities; taking supervisory or enforcement actions; appointing receivers and conservators; and issuing rules and regulations applicable to these institutions, their subsidiaries, and affiliates.