Disqualified person
(a) Disqualified person. (1) For purposes of Chapter 42 and the regulations thereunder, the following are disqualified persons with respect to a private foundation: (i) All substantial contributors to the foundation, as defined in section 507 (d)(2) and the regulations thereunder. (ii) All foundation managers of the foundation as defined in section 4946 (b)(1) and paragraph (f)(1)(i) of this section, (iii) An owner of more than 20 percent of: