As used in this article, the term:
(1) "Agent" means a national bank, state bank, trust company or broker-dealer that maintains an account in its name in a clearing corporation or that is a member of the federal reserve system and through which a custodian participates in a clearing corporation or the federal reserve book-entry system, including the Treasury/Reserve Automated Debt Entry Securities System (TRADES) or Treasury Direct Systems, except that with respect to securities issued by institutions organized or existing under the laws of a foreign country, "agent" may include a corporation that is organized or existing under the laws of a foreign country and that is legally qualified under those laws to accept custody of securities;