United States v. Carlton

The Supreme Court of the United States has been asked to hear an appeal in a case involving the circumstances in which retroactive tax legislation will be constitutional.

In Dot Foods, Inc. v. State of Washington Department of Revenue, 372 P.3d 747 (Wash. 2016), the Washington State Supreme Court upheld legislation retroactively removing a corporate income tax exemption.  Although the legislature, in justifying its action, said that the retroactive legislation was intended to reflect the legislature’s initial intent, the facts did not bear that out.  The exemption was consciously adopted by the legislature and, indeed, upheld by the Washington Supreme Court when the Department of Revenue attacked Dot Foods’ use of it in an earlier case. 
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In recent days, the state tax world has focused on the State of Michigan’s retroactive repeal of the Multistate Tax Compact (Compact).  Last week, the Michigan Legislature passed and Governor Snyder signed into law a bill (P.A. 282) that nullifies the effect of the state Supreme Court’s July 14, 2014 decision in International Business Machines