A looming decision from the US Supreme Court on federal agency rulemaking power is fueling chatter on just how much it could upend the regulatory process at these agencies.

Justices in January heard two cases, Relentless v. Dept. of Commerce and Loper Bright Enterprises v. Raimondo, which challenge the decades-old landmark administrative principle known as the Chevron doctrine saying that federal courts should defer to agency interpretation when a law is vague.

Bloomberg Tax reporter Erin Slowey spoke with Kristin Hickman, a University of Minnesota law professor who specializes in tax and administrative issues, on the background of Chevron in the tax context and how the Treasury Department and the IRS are expected to be largely insulated from the ruling, no matter the outcome.

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