Latest COST Conscious ISSUE 26-09; May 1, 2026 Washington State’s Business Tax Structure – Recent developments in Washington—including the Washington Supreme Court’s 2023 decision upholding the state’s capital gains excise tax and the Legislature’s enactment of a new tax on high-income individuals—have renewed discussion regarding the long-term structure of the state’s business tax system. In particular, policymakers and stakeholders continue
Latest Legislative Alert ISSUE 26-20; May 13, 2026 COST Requests Public Hearing on Proposed Amendments to Illinois Addback Regulations; COST Request Amendments to Colorado’s Proposed Water’s-Edge Election Repeal
Latest Practitioner Connection ISSUE 26-09; May 8, 2026 States Begin Addressing Sales Tax Effects of Cessation of Penny Production – In November 2025, the U.S. Mint announced its decision to stop producing pennies and a month later issued frequently asked questions on the topic. The resulting shortage has led retailers to round up or down if they lack the pennies necessary to provide customers with exact change, and many states have begun issuing sales
