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INCOME TAX

Internal Revenue Bulletin 2005-4 · 2026-10-03 edition · updated 2026-10-04 · United States

Rev. Rul. 2005–4, page 366. Interest suspension; time sensitive penalties. Section 6404(g) of the Code suspends interest and time sensitive penalties, additions to tax and additional amounts with respect to an increased tax liability reported on an individual’s amended income tax return filed more than 18 months after the date that is the later of (1) the original due date of the return (without regard to extensions) or (2) the date on which the taxpayer timely filed the return.

T.D. 9168, page 354. Final regulations under section 59 of the Code provide rules governing the time and manner for making and revoking an election to treat certain qualified expenditures which are otherwise deductible under the Code as amortized over the applicable period provided for in the statute. The regulations provide that the election may be made for any specific dollar amount of the qualified expenditures, but cannot be made by reference to a formula. To revoke the election, a taxpayer must receive the permission of the Commissioner. Permission will only be granted in rare and unusual circumstances. If permission is granted, the revocation will be effective in the taxpayer’s earliest open taxable year affected by the election.

T.D. 9170, page 363. REG–139683–04, page 371. Final, temporary, and proposed regulations under section 1374 of the Code provide that (a) section 1374(d)(8) applies to any transaction described in that section that occurs on or after December 27, 1994, regardless of the date of the S corporation’s election under section 1362; and (b) for purposes of the Tax Reform Act of 1986, as amended, a corporation’s most recent S election, not an earlier election that has been revoked

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