§ 800.244 Substantial interest.
(a) The term substantial interest means, in the context of an acquisition of an interest in a U.S. business by a foreign person, a voting interest, direct or indirect, of 25 percent or more, and, in the context of a foreign person in which the national or subnational governments of a single foreign state have an interest, subject to paragraph (b) of this section, a voting interest, direct or indirect, of 49 percent or more.
(b) In the case of an entity whose activities are primarily directed, controlled, or coordinated by or on behalf of a general partner, managing member, or equivalent, the national or subnational governments of a single foreign state will be considered to have a substantial interest in such entity only if they hold 49 percent or more of the interest in the general partner, managing member, or equivalent of the entity.