What to Know About the Section 45Z PTC Proposed Regulations

The U.S. Department of the Treasury and IRS published proposed regulations on February 6, 2026, regarding the clean fuel production tax credit (PTC) under Section 45Z of the Internal Revenue Code. The proposed regulations allow reliance thereon until final regulations are published in the Federal Register, provided that taxpayers follow them in their entirety and in a consistent manner. Comments are requested by April 6, 2026.

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