With an effective date of September 2, 2025, New Beginning of Construction guidance will be prospective and not apply to projects that satisfied beginning of construction under old IRS guidance before September 2, 2025. ...more
On Aug. 15, the U.S. Treasury Department and the Internal Revenue Service (IRS) released IRS Notice 2025-42, narrowing the rules for what qualifies as “beginning of construction” (BOC) under the One Big Beautiful Bill Act...more
On August 15, the Treasury Department (Treasury) and the Internal Revenue Service (IRS) issued Notice 2025-42, which provides guidance on the beginning of construction requirement as it relates to the new credit termination...more
On August 15, 2025, the Internal Revenue Service (IRS) issued Notice 2025-42, providing long-awaited guidance on the “beginning of construction” requirements for wind and solar facilities under Sections 45Y and 48E of the...more
On August 15, the Treasury Department published long-awaited guidance on applicability of “beginning of construction” safe harbors for solar and wind projects under the One Big Beautiful Bill and Executive Order 14315. While...more