George Hani, Kevin Kenworthy, and Lisandra Ortiz will speak at the API 88th Annual Federal Tax Forum on April 25, 2023, in Houston. They will present, "Litigation and Tax Controversy Update." This panel will survey notable tax audit and controversy developments, including the successor to Rev. Proc. 94-69 disclosures, an uptick in challenges under the codified economic substance doctrine, heightened scrutiny of R&E credit claims, and a wave of litigation challenges to the validity of regulations.