Wisconsin DOR Publishes Updated Information on Tax Option S Corporation Tax Treatment

The Wisconsin Department of Revenue (DOR) published updated information on the tax treatment of tax-option (S) corporations and their shareholders for taxable years beginning on or after Jan. 1, 2025. The publication explains how Wisconsin’s tax-option (S) corporation law is based on the federal Internal Revenue Code (One Big Beautiful Bill Act). It covers topics including qualification requirements, income computation, loss limitations, tax credits, withholding requirements for nonresident shareholders, and the entity-level tax election. [Wis. Dep’t of Revenue, Publ’n 102, 02/01/26]

This story was produced by Bloomberg Tax Automation, and edited by Bloomberg Tax staff.