For purposes of paragraph (1), the term “substantial contributor” means a person who is described in section 507(d)(2).
For purposes of paragraphs (1)(C)(i) and (1)(E), there shall be taken into account indirect stockholdings which would be taken into account under section 267(c), except that, for purposes of this paragraph, section 267(c)(4) shall be treated as providing that the members of the family of an individual are the members within the meaning of subsection (d).
For purposes of paragraphs (1)(C)(ii) and (iii), (1)(F), and (1)(G), the ownership of profits or beneficial interests shall be determined in accordance with the rules for constructive ownership of stock provided in section 267(c) (other than paragraph (3) thereof), except that section 267(c)(4) shall be treated as providing that the members of the family of an individual are the members within the meaning of subsection (d).
For purposes of subsection (a)(1), the family of any individual shall include only his spouse, ancestors, children, grandchildren, great grandchildren, and the spouses of children, grandchildren, and great grandchildren.