26 CFR § 5c.1305-1 - Special income averaging rules for taxpayers otherwise required to compute tax in accordance with § 5c.1256–3.
(a) In general. If an eligible individual (as defined in section 1303 and the regulations thereunder) is described in the first sentence of § 5c.1256–3(a), chooses the benefits of income averaging and otherwise complies with the special rules under section 1304 and the regulations thereunder, and has averagable income (as defined in section 1302 and the regulations thereunder) in excess of $3,000, then the individual shall compute the tax under section 1301 as provided in this section. The computation under this section shall be in lieu of the computation under § 5c.1256–3.
(b) Computation of tax. The individual shall compute the tax under section 1301 as follows:
(c) Option to defer tax. If an individual computes the tax under section 1301 as provided in paragraph (a) of this section, the individual may also opt to pay part or all of the deferrable tax under income averaging (as defined in paragraph (d) of this section) for the taxable year which includes June 23, 1981, in 2 or more, but not more than 5, equal installments in accordance with this section. Such individual may not opt to pay part or all of the deferrable tax in installments under § 5c.1256–3. An individual opting to defer payment must attach a statement to Form 6781 indicating the computation of deferrable tax under income averaging, the number of installments in which the individual opts to pay the deferrable tax under income averaging, and the amount of each such payment.
(d) Deferrable tax under income averaging. The deferrable tax under income averaging is the excess of—
(1) The tax for the taxable year which includes June 23, 1981, computed pursuant to paragraph (b) of this section, over
(2) The tax for the taxable year which includes June 23, 1981, computed pursuant to paragraph (b) of this section, except that pre-transitional year gain or loss (as described in § 5c.1256–2(g)) is omitted for purposes of recomputing the percentage in Step (4). As computed under this subparagraph (2), the sum of the percentage in Step (3) and Step (4) will not equal 100 percent.
(e) Rules of application. The provisions of § 5c.1256–3 (c), (f), (g), (h), (i), and (j) shall apply in computing the tax and in determining the deferrable tax under income averaging under this section.
(f) Examples. The application of this section may be illustrated by the following examples:
The result of Step (1) is $464,013.41. The result of Step (2) is $337,051.52. The result of Step (3) is 17 percent. The result of Step (4) is 83 percent. The result of Step (5) is $78,882.28. The result of Step (6) is $279,752.76. The result of Step (7) is $358,635.04. This is A's tax for 1981 under section 1301.