Applicability Dates
(d) Applicability Dates. Paragraphs (b)(1)(ii) and (b)(3) of this section apply, for contracts entered into in taxable years beginning on or after January 5, 2021. However, for contracts entered into after December 31, 2017, in a taxable year ending after December 31, 2017, and before January 5, 2021, a taxpayer may apply the paragraphs described in the first sentence of this paragraph (d), provided that the taxpayer follows all the applicable rules contained in the regulations under section 460 for such taxable year and all subsequent taxable years.