"[T]he regulations closely match guidance from Notice 2018‑68 ... [N]ew examples and certain clarifications will provide more guidance to some situations that were still not entirely clear under prior guidance.... [M]ost items are proposed to apply to tax years ending on or after Sept. 10, 2018 (i.e., the effective date of the Notice). However, certain positions that are considered departures from previous guidance or previously unaddressed areas are not effective until final regulations are published in the Federal Register."  MORE >>