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ARTICLE · 19 MARCH 2026

Treasury Department, IRS Provide Guidance On Prohibited Foreign Entity Rules

The U.S. Department of the Treasury and IRS on February 12, 2026, released Notice 2026-15 to provide initial guidance regarding Prohibited Foreign Entity (PFE) Rules...

United StatesEnergy and Natural Resources

Highlights

  • The U.S. Department of the Treasury and IRS on February 12, 2026, released Notice 2026-15 to provide initial guidance regarding Prohibited Foreign Entity (PFE) Rules, specifically how to calculate the material assistance cost ratio for a qualified facility, energy storage technology or eligible component for purposes of determining whether a taxpayer received material assistance from a PFE.
  • This Holland & Knight alert provides a summary of some key aspects of Notice 2026-15, though it is not intended as a complete guide.

The U.S. Department of the Treasury and IRS on February 12, 2026, released Notice 2026-15, which provides initial guidance regarding Prohibited Foreign Entity (PFE) Rules, specifically how to calculate the material assistance cost ratio (MACR) for a qualified facility, energy storage technology or eligible component for purposes of determining whether a taxpayer received material assistance from a PFE.

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