12 CFR § 224.2 - Definitions.
The terms used in this part have the meanings given to them in sections 3(a) and 7(f) of the Act, and in Regulations T and U. Section 7(f) of the Act contains the following definitions:
(a) United States person includes a person which is organized or exists under the laws of any State or, in the case of a natural person, a citizen or resident of the United States; a domestic estate; or a trust in which one or more of the foregoing persons has a cumulative direct or indirect beneficial interest in excess of 50 per centum of the valve of the trust.
(b) United States security means a security (other than an exempted security) issued by a person incorporated under the laws of any State, or whose principal place of business is within a State.
(c) Foreign person controlled by a United States person includes any noncorporate entity in which United States persons directly or indirectly have more than a 50 per centum beneficial interest, and any corporation in which one or more United States persons, directly or indirectly, own stock possessing more than 50 per centum of the total combined voting power of all classes of stock entitled to vote, or more than 50 per centum of the total value of shares of all classes of stock.