2000—Subsec. (e). Pub. L. 106–554 substituted “an S corporation” for “an electing small business corporation”.

1983—Subsec. (e). Pub. L. 97–448 added subsec. (e).

1976—Subsec. (b). Pub. L. 94–455 substituted “if the grantor of the trust or a transferor (to whom section 679 applies) is otherwise treated as the owner under the provisions of this subpart other than this section” for “if the grantor of the trust is otherwise treated as the owner under sections 671 to 677, inclusive”.

Amendment by Pub. L. 97–448 effective, except as otherwise provided, as if it had been included in the provision of the Economic Recovery Tax Act of 1981, Pub. L. 97–34, to which such amendment relates, see section 109 of Pub. L. 97–448, set out as a note under section 1 of this title.

For effective date of amendment by Pub. L. 94–455, see section 1013(f)(1) of Pub. L. 94–455, set out as an Effective Date note under section 679 of this title.