12 CFR § 252.77 - Exemptions.
(a) Exempted exposure categories. The following categories of credit transactions are exempt from the limits on credit exposure under this subpart:
(1) Any direct claim on, and the portion of a claim that is directly and fully guaranteed as to principal and interest by, the Federal National Mortgage Association and the Federal Home Loan Mortgage Corporation, only while operating under the conservatorship or receivership of the Federal Housing Finance Agency, and any additional obligation issued by a U.S. government-sponsored entity as determined by the Board;
(3) Any trade exposure to a qualifying central counterparty related to the covered company's clearing activity, including potential future exposure arising from transactions cleared by the qualifying central counterparty and pre-funded default fund contributions;
(4) Any credit transaction with the Bank for International Settlements, the International Monetary Fund, the International Bank for Reconstruction and Development, the International Finance Corporation, the International Development Association, the Multilateral Investment Guarantee Agency, or the International Centre for Settlement of Investment Disputes;
(c) Additional exemptions by the Board. The Board may, by regulation or order, exempt transactions, in whole or in part, from the definition of the term “credit exposure,” if the Board finds that the exemption is in the public interest and is consistent with the purpose of 12 U.S.C. 5365(e).