§ 4940.
(b)
Taxable foundations
There is hereby imposed on each private foundation which is not exempt from taxation under section 501(a) for the taxable year, with respect to the carrying on of its activities, a tax equal to—
(1)
the amount (if any) by which the sum of (A) the tax imposed under subsection (a) (computed as if such subsection applied to such private foundation for the taxable year), plus (B) the amount of the tax which would have been imposed under section 511 for the taxable year if such private foundation had been exempt from taxation under section 501(a), exceeds
(2)
the tax imposed under subtitle A on such private foundation for the taxable year.
(d)
Exemption for certain operating foundations
(2)
Exempt operating foundation
For purposes of this subsection, the term “exempt operating foundation” means, with respect to any taxable year, any private foundation if—
(A)
such foundation is an operating foundation (as defined in section 4942(j)(3)),
(B)
such foundation has been publicly supported for at least 10 taxable years,
(C)
at all times during the taxable year, the governing body of such foundation—
(i)
consists of individuals at least 75 percent of whom are not disqualified individuals, and
(ii)
is broadly representative of the general public, and
(D)
at no time during the taxable year does such foundation have an officer who is a disqualified individual.
(3)
Definitions
For purposes of this subsection—
(B)
Disqualified individual
The term “disqualified individual” means, with respect to any private foundation, an individual who is—
(i)
a substantial contributor to the foundation,
(ii)
an owner of more than 20 percent of—
(I)
the total combined voting power of a corporation,
(II)
the profits interest of a partnership, or
(III)
the beneficial interest of a trust or unincorporated enterprise,
which is a substantial contributor to the foundation, or
(iii)
a member of the family of any individual described in clause (i) or (ii).
(C)
Substantial contributor
(E)
Constructive ownership
(Added [Pub. L. 91–172, title I, § 101(b)], Dec. 30, 1969, [83 Stat. 498]; amended [Pub. L. 94–455, title XIX, § 1901(b)(33)(N)], Oct. 4, 1976, [90 Stat. 1802]; [Pub. L. 95–345, § 2(a)(4)], Aug. 15, 1978, [92 Stat. 481]; [Pub. L. 95–600, title V, § 520(a)], Nov. 6, 1978, [92 Stat. 2884]; [Pub. L. 98–369, div. A, title III], §§ 302(a), 303(a), July 18, 1984, [98 Stat. 779], 781; [Pub. L. 99–514, title XIII, § 1301(j)(6)], title XVIII, § 1832, Oct. 22, 1986, [100 Stat. 2658], 2851; [Pub. L. 109–280, title XII, § 1221(a)(1)], (b), Aug. 17, 2006, [120 Stat. 1089]; [Pub. L. 110–172, § 3(f)], Dec. 29, 2007, [121 Stat. 2475]; [Pub. L. 116–94, div. Q, title II, § 206(a)], (b), Dec. 20, 2019, [133 Stat. 3246].)