1986—Pub. L. 99–514 substituted “section 801 or 831” for “section 801, 821, or 831” in introductory provisions, redesignated par. (3) as (2), and struck out former par. (2) which read as follows: “in the case of the tax imposed by section 821(a), the mutual insurance company taxable income (as defined in section 821(b)); and in the case of the tax imposed by section 821(c), the taxable investment income (as defined in section 822(a)), and”.

1984—Pub. L. 98–369 substituted “section 801” for “section 802”, wherever appearing, and “section 801(b)” for “section 802(b)”.

1966—Pub. L. 89–809 substituted “For purposes of the preceding sentence (and for purposes of applying section 906 with respect to a foreign corporation subject to tax under this subchapter), the term ‘taxable income’ as used in section 904” for “For purposes of the preceding sentence, the term ‘taxable income’ as used in section 904”.

1962—Pub. L. 87–834 added par. (2) and redesignated former par. (2) as (3).

1959—Pub. L. 86–69 struck out reference to section 811 of this title in first sentence, and substituted “section 802, the life insurance company taxable income (as defined in section 802(b)), and” for “section 802 or 811, the net investment income (as defined in section 803(c))” in par. (1).

1956—Act Mar. 13, 1956, inserted references to section 811.

Amendment by Pub. L. 99–514 applicable to taxable years beginning after Dec. 31, 1986, see section 1024(e) of Pub. L. 99–514, set out as a note under section 831 of this title.

Amendment by Pub. L. 98–369 applicable to taxable years beginning after Dec. 31, 1983, see section 215 of Pub. L. 98–369, set out as an Effective Date note under section 801 of this title.

Amendment by Pub. L. 89–809 applicable with respect to taxable years beginning after Dec. 31, 1966, see section 104(n) of Pub. L. 89–809, set out as a note under section 11 of this title.

Amendment by Pub. L. 87–834 applicable with respect to taxable years beginning after Dec. 31, 1962, see section 8(h) of Pub. L. 87–834, set out as a note under section 501 of this title.

Amendment by Pub. L. 86–69 applicable only with respect to taxable years beginning after Dec. 31, 1957, see section 4 of Pub. L. 86–69, set out as a note under section 381 of this title.

Amendment by act Mar. 13, 1956, applicable only to taxable years beginning after Dec. 31, 1954, see section 6 of act Mar. 13, 1956, set out as a note under section 316 of this title.