TD 9401 – Effective/Applicability Date
Sections 1.41–6T(j), 1.41–8T(b)(5), and 1.41–9T(d) of these regulations apply to taxable years ending after December 31, 2006, the effective date of section 41(c)(5), and terminate on or before June 13, 2011.
For certain transitional rules under section 41, see Division A, sections 104(b)(3), (c)(2), (c)(4), and 123(a) of the Act.
The IRS and Treasury Department are committed to providing appropriate relief to taxpayers that have used methodologies inconsistent with the short taxable year rules provided in these regulations on tax returns filed after the effective date of section 41(c)(5) and prior to the publication of these regulations.




