Related parties.
Related parties. For purposes of this section, a United States person is treated as related to a grantor of a foreign trust if the United States person and the grantor are related for purposes of section 643(i)(2)(B), with the following modifications
(1) For purposes of applying section 267 (other than section 267(f)) and section 707(b)(1), “at least 10 percent” is used instead of “more than 50 percent” each place it appears; and
(2) The principles of section 267(b)(10), using “at least 10 percent” instead of “more than 50 percent,” apply to determine whether two corporations are related.