1969—
Pub. L. 91–172 substituted provisions requiring reference to organizations in sections
512
(a) and
4948 for provisions requiring reference to trusts in section
512
(a), and struck out reference to unrelated business income.
Amendment by
Pub. L. 91–172 applicable to taxable years beginning after Dec. 31, 1969, see section 101(k)(2)(B) of
Pub. L. 91–172, set out as an Effective Date note under section
4940 of this title.