Treasury Regulations · 26 CFR
§ 1.179-6. Effective/applicability dates.
Regulation text, no changes From the eCFR, current as of October 15, 2026. The eCFR is an authoritative but unofficial editorial compilation of the Code of Federal Regulations; the official text is the annual CFR on govinfo. Compare it with this section on ecfr.gov (external site) or the official annual CFR on govinfo (external site).
Regulation under 26 U.S.C. § 179
Cite as 26 CFR § 1.179-6
At a glance
Read from the text and its source citation. Not part of the regulation.
- Status
- In the current eCFR
- Issued
- August 4, 2004 by T.D. 9146
- Last amended
- September 24, 2019 by T.D. 9874
- Issued under
- 26 U.S.C. § 179
- Length
- 516 words · about 2 min to read
- Cross-references
- cites 3 Code sections and 4 regulations; cited by 2
[T.D. 9146, 69 FR 46985, Aug. 4, 2004. Redesignated and amended by T.D. 9209, 70 FR 40192, July 13, 2005; T.D. 9811, 82 FR 6236, Jan. 19, 2017; T.D. 9874, 84 FR 50149, Sept. 24, 2019]
Cross-references
Computed from the citations in the text of 26 CFR.
Code sections it cites
- § 179 Election to expense certain depreciable business assets
- § 1022 Repealed
- § 336 Gain or loss recognized on property distributed in complete liquidation
Regulations it cites
- § 1.179-1 Election to expense certain depreciable assets.
- § 1.179-2 Limitations on amount subject to section 179 election.
- § 1.179-4 Definitions.
- § 1.179-5 Time and manner of making election.
Cited by 2 other regulations
Amendment history
From the source citation at the end of the section, newest first. T.D. is a Treasury decision; FR is the Federal Register.
- Amended by T.D. 9874 (84 FR 50149)
- Amended by T.D. 9811 (82 FR 6236)
- Amended by T.D. 9209 (70 FR 40192)
- Issued by T.D. 9146 (69 FR 46985)
Where it sits in 26 CFR
- Subchapter A Income tax
- Part 1 Income taxes
- Itemized Deductions for Individuals and Corporations (Continued)
Nearby sections
- § 1.179-2 Limitations on amount subject to section 179 election.
- § 1.179-3 Carryover of disallowed deduction.
- § 1.179-4 Definitions.
- § 1.179-5 Time and manner of making election.
- § 1.179-6 Effective/applicability dates.
- § 1.179B-1T Deduction for capital costs incurred in complying with Environmental Protection Agency sulfur regulations (temporary).
- § 1.179C-1 Election to expense certain refineries.
- § 1.179D-3 Rules relating to the increased deduction for prevailing wage and apprenticeship.
- § 1.180-1 Expenditures by farmers for fertilizer, etc.