Eligible collateral means collateral in which, notwithstanding the prior security interest of any custodial agent, the covered company has a perfected, first priority security interest (or the legal equivalent thereof, if outside of the United States), with the exception of cash on deposit, and is in the form of:
(1) Cash on deposit with the covered company or a subsidiary of the covered company (including cash in foreign currency or U.S. dollars held for the covered company by a custodian or trustee, whether inside or outside of the United States);
(2) Debt securities (other than mortgage- or asset-backed securities and resecuritization securities, unless those securities are issued by a U.S. government-sponsored enterprise) that are bank-eligible investments and that are investment grade, except for any debt securities issued by the covered company or any subsidiary of the covered company;
(3) Equity securities that are publicly traded, except for any equity securities issued by the covered company or any subsidiary of the covered company;
(4) Convertible bonds that are publicly traded, except for any convertible bonds issued by the covered company or any subsidiary of the covered company; or
(5) Gold bullion.
12 CFR § 252.71
Unless defined in this section, terms that are set forth in 252.2 of this part and used in this subpart have the definitions assigned in 252.2. For purposes of this subpart: