(1) In general For purposes of this section, the term qualified family-owned business interest means
(A) an interest as a proprietor in a trade or business carried on as a proprietorship, or
(B) an interest in an entity carrying on a trade or business, if
(i) at least
(I) 50 percent of such entity is owned (directly or indirectly) by the decedent and members of the decedents family,
(II) 70 percent of such entity is so owned by members of 2 families, or
(III) 90 percent of such entity is so owned by members of 3 families, and
(ii) for purposes of subclause (II) or (III) of clause (i), at least 30 percent of such entity is so owned by the decedent and members of the decedents family.
For purposes of the preceding sentence, a decedent shall be treated as engaged in a trade or business if any member of the decedents family is engaged in such trade or business.
(2) Limitation Such term shall not include
(A) any interest in a trade or business the principal place of business of which is not located in the United States,
(B) any interest in an entity, if the stock or debt of such entity or a controlled group (as defined in section 267(f)(1)) of which such entity was a member was readily tradable on an established securities market or secondary market (as defined by the Secretary) at any time within 3 years of the date of the decedents death,
(C) any interest in a trade or business not described in section
542 (c)(2), if more than 35 percent of the adjusted ordinary gross income of such trade or business for the taxable year which includes the date of the decedents death would qualify as personal holding company income (as defined in section
543 (a) without regard to paragraph (2)(B) thereof) if such trade or business were a corporation,
(D) that portion of an interest in a trade or business that is attributable to
(i) cash or marketable securities, or both, in excess of the reasonably expected day-to-day working capital needs of such trade or business, and
(ii) any other assets of the trade or business (other than assets used in the active conduct of a trade or business described in section
542 (c)(2)), which produce, or are held for the production of, personal holding company income (as defined in subparagraph (C)) or income described in section
954 (c)(1) (determined without regard to subparagraph (A) thereof and by substituting trade or business for controlled foreign corporation).
In the case of a lease of property on a net cash basis by the decedent to a member of the decedents family, income from such lease shall not be treated as personal holding company income for purposes of subparagraph (C), and such property shall not be treated as an asset described in subparagraph (D)(ii), if such income and property would not be so treated if the lessor had engaged directly in the activities engaged in by the lessee with respect to such property.
(3) Rules regarding ownership
(A) Ownership of entities For purposes of paragraph (1)(B)
(i) Corporations Ownership of a corporation shall be determined by the holding of stock possessing the appropriate percentage of the total combined voting power of all classes of stock entitled to vote and the appropriate percentage of the total value of shares of all classes of stock.
(ii) Partnerships Ownership of a partnership shall be determined by the owning of the appropriate percentage of the capital interest in such partnership.
(B) Ownership of tiered entities For purposes of this section, if by reason of holding an interest in a trade or business, a decedent, any member of the decedents family, any qualified heir, or any member of any qualified heirs family is treated as holding an interest in any other trade or business
(i) such ownership interest in the other trade or business shall be disregarded in determining if the ownership interest in the first trade or business is a qualified family-owned business interest, and
(ii) this section shall be applied separately in determining if such interest in any other trade or business is a qualified family-owned business interest.
(C) Individual ownership rules
For purposes of this section, an interest owned, directly or indirectly, by or for an entity described in paragraph (1)(B) shall be considered as being owned proportionately by or for the entitys shareholders, partners, or beneficiaries. A person shall be treated as a beneficiary of any trust only if such person has a present interest in such trust.