The Department of Revenue has received several questions regarding the applicability of the federal S corporation built-in gains tax for Iowa tax purposes. This guidance is not a detailed analysis of the calculation of this federal tax, but is instead intended to generally describe Iowa’s conformity with the federal built-in gains tax on S corporations, with a particular focus on Iowa’s conformity since the change to the recognition period enacted in federal Public Law 114-113, Division Q, section 127, Commonly referred to as the Protecting Americans from Tax Hikes Act.
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