On December 22, 2017, President Trump signed The Tax Cuts and Jobs Act, which resulted in sweeping changes to the U.S. tax code. The Act decreased the corporate tax rate to 21% from 35%, in addition to modifying specific provisions around interest, depreciation, carrybacks, and repatriation taxes. The change in tax rate will have the biggest impact on purchase accounting. In the energy industry, this will manifest itself in several different ways. This blog post explores some of the impacts to valuations performed under fair value accounting in ASC 805 and ASC 820.