Reg. § 1.245A-11 Applicability dates.
(a) In general Sections through apply to taxable years of a foreign corporation beginning on or after December 1, 2020 and to taxable years of section shareholders in which or with which such taxable years end.
(b) Exception Notwithstanding of this section, a taxpayer may choose to apply through for a taxable year of a foreign corporation beginning before December 1, 2020 and to a taxable year of a section shareholder in which or with which such taxable year ends, provided that the taxpayer and all persons bearing a relationship to the taxpayer described in section or apply through , in their entirety, and for all such taxable years and any subsequent taxable years beginning before December 1, 2020.
[T.D. 9934, 85 FR 76963, Dec. 1, 2020]