New U.S. law (OBBBA) terminates the Clean Vehicle Tax Credit after 30 Sept 2025 and tightens IRA energy credits with foreign-entity and domestic-content rules.

REGULATORY BRIEFING – U.S. IRA TAX CREDITS AND OBBBA CHANGES (DS623 CONTEXT)

1. What Changed

A. Termination of Clean Vehicle Tax Credit (IRC §30D)

• The One Big Beautiful Bill Act (OBBBA), Public Law 119‑21, signed 4 July 2025, amends §30D of the Internal Revenue Code.
• Section 70502(a) of OBBBA terminates the Clean Vehicle Tax Credit for vehicles acquired after 30 September 2025.
• WTO panel documents confirm: “the Clean Vehicle Tax Credit is terminated in respect of vehicles acquired after September 30, 2025.”

B. Amendments to Technology‑Neutral Production and Investment Tax Credits (§45Y and §48E)

• Sections 70512 and 70513 of OBBBA amend:
• §45Y: Clean Electricity Production Tax Credit (PTC).
• §48E: Clean Electricity Investment Tax Credit (ITC).
• Key changes:

1) Timing/eligibility windows

• Solar and wind projects must commence construction by 4 July 2026 to claim §45Y or §48E credits.
• Solar/wind projects commencing after 4 July 2026 must be placed in service by 31 December 2027 to be eligible for §45Y/§48E credits.
• Other generation technologies and energy storage (including storage at wind/solar facilities):
• Must commence construction before the end of 2033 to obtain full §45Y/§48E value.
• May commence by 2035 for partial credit value.

2) Prohibited Foreign Entity (PFE) rules (content caps)

• New PFE rules apply beginning in 2026 (for calendar‑year taxpayers).
• §45Y PTC and §48E ITC are disallowed if:
• The taxpayer itself is a PFE; or
• Manufactured products comprising a facility or energy storage technology derive “excessively” from PFEs.
• By 2030, for facilities beginning construction:
• No more than 40% of the cost of manufactured products may be mined, produced, or manufactured by a PFE.
• For energy storage technologies, the cap is 25%.

3) Domestic‑content bonus tightening and exclusions

• Leased or rented solar water heaters and small wind property are made ineligible for the §48E ITC.
• OBBBA raises the domestic manufactured‑product percentage thresholds required to claim the §48E domestic‑content bonus so they generally match §45Y thresholds.

C. Amendments to Legacy Investment Tax Credit (§48)

• Section 70513 of OBBBA amends §48 (traditional energy ITC):
• Energy property not specifically listed in §48 is no longer eligible for the 2% ITC rate.

D. Clean Vehicle FEOC and IRA Structure (Context)

• While not a new change, the dispute record confirms the structure of the now‑terminating §30D credit:
• North American final assembly requirement.
• Critical minerals sourcing requirement tied to U.S. free trade agreement (FTA) partners.
• Battery components sourcing requirement (increasing North American content percentages).
• FEOC exclusion: vehicles with certain battery components or critical minerals from entities “owned by, controlled by, or subject to the jurisdiction or direction of” a covered foreign country (including China) are ineligible.
• OBBBA also terminates the separate §45W leasing credit “loophole” that had allowed some Chinese‑origin EVs to benefit indirectly (per U.S. submissions), but the key compliance date for §30D is 30 September 2025.

2. Affected Products and Sectors

A. Clean Vehicles (EVs and other “clean vehicles” under §30D)

• Products: New clean vehicles (primarily EVs, plug‑in hybrids, fuel‑cell vehicles) that previously qualified for the §30D credit.
• Supply chain elements:
• Traction batteries and modules.
• Critical minerals (e.g., lithium, nickel, cobalt, graphite, manganese) extracted/processed in FTA partners.
• Battery components manufactured/assembled in North America.
• Final vehicle assembly in the U.S., Canada, or Mexico.
• While HTS codes are not specified in the WTO record, typical affected headings include:
• 8703.80, 8703.90 – Motor vehicles with electric or hybrid propulsion.
• 8507.60 – Lithium‑ion accumulators.

B. Renewable Energy Generation and Storage

• §45Y / §48E (technology‑neutral credits) apply to:
• Solar PV projects (modules, cells, inverters, trackers, racking).
• Onshore and offshore wind turbines.
• Other zero‑ or low‑emission generation (e.g., some hydro, nuclear, geothermal, etc., as defined in §45Y/§48E).
• Stand‑alone and co‑located energy storage systems (batteries, other storage technologies).
• Manufactured products for domestic‑content and PFE rules include, for example:
• Photovoltaic modules and trackers.
• Wind turbine nacelles, blades, towers.
• Battery packs, containers, housings.

C. Steel, Iron, and Manufactured Products for Renewable Projects

• Domestic‑content bonus credits under §45, §45Y, §48, §48E:
• 100% of structural steel and iron must be produced in the United States to qualify for the steel/iron portion of the bonus.
• A specified and increasing percentage (up to 55% in 2027) of the total cost of manufactured products used in the project must be U.S.‑produced or deemed U.S.‑produced.
• Affected upstream products include:
• Structural steel sections, plate, rebar (HTS Chapter 72, 73).
• Towers, frames, and other fabricated structures for wind and solar.

3. Rate / Benefit Changes (Quantitative)

A. Clean Vehicle Tax Credit (§30D)

• Pre‑OBBBA structure (for context):
• Up to USD 7,500 per qualifying new clean vehicle, split between:
• Critical minerals portion.
• Battery components portion.
• Subject to income and MSRP caps, assembly and sourcing rules, and FEOC exclusion.
• Change:
• For vehicles acquired after 30 September 2025: credit is eliminated (effective rate change from up to USD 7,500 to USD 0).

B. §45Y / §48E Timing and PFE Caps

• Timing:
• Solar/wind must begin construction by 4 July 2026 and be in service by 31 December 2027 to access §45Y/§48E.
• Other generation and storage must begin by 31 December 2033 (full credit) or 31 December 2035 (partial credit).
• PFE content caps (for facilities beginning construction in or after 2026):
• By 2030:
• Max 40% of manufactured product cost may be mined/produced/manufactured by PFEs.
• Max 25% for energy storage technologies.
• If thresholds are exceeded or the taxpayer is itself a PFE, §45Y/§48E credits are disallowed (effective benefit change from full statutory rate to 0 for non‑compliant projects).

C. §48 Legacy ITC

• Prior rule: 2% ITC available for certain “energy property” not specifically listed in §48.
• New rule: Non‑listed energy property is no longer eligible for the 2% ITC rate.

D. Domestic‑Content Bonus Thresholds

• §48E domestic‑content bonus thresholds are raised to generally match §45Y thresholds (exact percentage schedule is in the statute and IRS guidance, but the key change is higher required U.S. manufactured‑product content to obtain the bonus uplift).

4. Key Dates

• 23 September 2024: WTO Dispute Settlement Body (DSB) establishes panel in DS623; panel’s terms of reference fixed as of this date.
• 4 July 2025: OBBBA (Public Law 119‑21) signed into law.
• 30 September 2025:
• Last date of acquisition for vehicles eligible for the §30D Clean Vehicle Tax Credit.
• Vehicles acquired after this date are ineligible for §30D.
• 4 July 2026:
• Latest commencement‑of‑construction date for solar and wind projects to qualify for §45Y/§48E credits.
• 31 December 2027:
• Latest placed‑in‑service date for solar/wind projects that commenced after 4 July 2026 to remain eligible for §45Y/§48E.
• 1 January 2026 (calendar‑year taxpayers):
• New PFE rules for §45Y/§48E begin to apply.
• By 2030:
• PFE content caps fully phased: 40% for manufactured products, 25% for storage, for facilities beginning construction in 2030 and later.
• End of 2033 / 2035:
• Last dates to commence construction for full (2033) and partial (2035) §45Y/§48E value for non‑solar/wind generation and storage.

5. Required Actions for Importers, OEMs, Project Developers, and Compliance Teams

A. Clean Vehicle Supply Chains (through 30 September 2025)

• For vehicles destined for the U.S. market:
• Confirm acquisition dates for customers seeking §30D benefits; ensure sales contracts and marketing materials do not imply availability of §30D for vehicles acquired after 30 September 2025.
• Re‑evaluate pricing and demand forecasts for EVs and other clean vehicles after the credit’s termination.
• For vehicles acquired on or before 30 September 2025, continue to ensure:
• Final assembly in North America.
• Compliance with critical mineral and battery component sourcing thresholds.
• No FEOC involvement in covered battery components or critical minerals.
• For foreign OEMs (including Chinese and other non‑USMCA producers):
• Recognize that §30D will no longer be a lever to offset U.S. tariffs (e.g., Section 301) or other trade measures after 30 September 2025.
• Adjust U.S. market strategies accordingly (e.g., local assembly, JV structures, or focus on fleet/leasing models only to the extent other incentives remain).

B. Renewable Energy Project Developers and EPCs

• Project timing:
• For solar and wind projects intending to rely on §45Y/§48E, confirm that:
• Construction begins by 4 July 2026.
• Projects are placed in service by 31 December 2027 if construction begins after 4 July 2026.
• For other generation and storage, plan commencement dates to meet 2033/2035 deadlines for full/partial credit.
• PFE content management:
• Map all manufactured products and storage components in each project to their upstream mining/production/manufacturing sources.
• Identify any suppliers that qualify as PFEs (e.g., Chinese state‑owned or controlled entities, or entities subject to Chinese jurisdiction under the statutory definition).
• Implement sourcing strategies to ensure that, by 2030, PFE‑origin content does not exceed:
• 40% of total manufactured product cost for generation facilities.
• 25% for energy storage technologies.
• Build internal tracking systems to document PFE vs. non‑PFE cost shares for tax‑credit substantiation.

C. Steel, Iron, and Manufactured Products (Domestic‑Content Bonus)

• For projects seeking domestic‑content bonus credits under §45, §45Y, §48, §48E:
• Ensure 100% of structural steel and iron is produced in the United States.
• Track and document the percentage of manufactured product cost that is U.S.‑produced; adjust procurement to meet the higher thresholds (up to 55% in 2027 and beyond, per IRS guidance).
• For importers of steel and fabricated components:
• Anticipate reduced demand for foreign structural steel and iron in U.S. renewable projects that target the bonus.
• Consider U.S. processing or fabrication options to re‑qualify content as U.S.‑produced where legally permissible.

D. Tax and Trade Compliance Coordination

• Tax departments should:
• Update models for project IRRs and vehicle pricing to reflect:
• Loss of §30D after 30 September 2025.
• Potential loss of §45Y/§48E where PFE thresholds are exceeded.
• Loss of 2% ITC for non‑listed §48 property.
• Align with procurement and trade compliance to ensure sourcing decisions preserve credit eligibility.
• Trade compliance teams should:
• Integrate PFE and domestic‑content requirements into supplier onboarding and due diligence.
• Maintain documentation on origin, ownership/control, and production locations for key components (batteries, modules, turbines, steel, storage systems).
• Monitor related measures (e.g., Section 301 tariffs, Section 232 steel measures, UFLPA enforcement) that interact with these incentives.

6. References and Source Documents

Primary legal texts and key references (as cited in the WTO record):

• One Big Beautiful Bill Act (Public Law 119‑21):
• Sections 70502, 70503 (Clean Vehicle Tax Credit and §45W leasing changes).
• Sections 70512, 70513 (amendments to §45Y, §48E, and §48; PFE rules; timing; domestic‑content changes).
• WTO exhibit: US‑178 (revised US‑169) – Public Law 119‑21.

• WTO DS623 – United States – Certain Tax Credits Under the Inflation Reduction Act:
• U.S. Responses to Panel Questions Before Second Panel Meeting (7 Aug 2025):
• https://ustr.gov/sites/default/files/enforcement/DS/DS623/US.As.Pnl.Pre.Mtg2.Qs.(07Aug25).fin.pdf
• U.S. Additional Comments (10 Oct 2025):
• https://ustr.gov/sites/default/files/enforcement/DS/DS623/US.Addl.Cmts.Chn.As.Pnl.Qs2.(10Oct25).fin.pdf
• U.S. Responses to Panel Questions Following First Panel Meeting (28 May 2025):
• https://ustr.gov/sites/default/files/enforcement/DS/DS623/US.As.Pnl.Qs.(28May2025).fin.pdf
• U.S. Responses to Panel Questions Following Second Panel Meeting (19 Sept 2025):
• https://ustr.gov/sites/default/files/enforcement/DS/DS623/US.As.Pnl.Qs2.(19Sept25).fin_public.pdf
• U.S. Closing Statements (7 May 2025 and 27 Aug 2025):
• https://ustr.gov/sites/default/files/enforcement/DS/DS623/US.Pnl.Mtg1.Closing.Stmt.(As.Delivered).fin.pdf
• https://ustr.gov/sites/default/files/enforcement/DS/DS623/US.Pnl.Mtg2.Closing.Stmt.(As.Delivered).fin.pdf

• IRS and Treasury guidance (for operational details on domestic content, PFE definitions, and credit mechanics) should be consulted directly via:
• https://www.irs.gov/ and Federal Register notices (e.g., 88 FR 70310; 89 FR 2182; 89 FR 13293).

Compliance teams should use this briefing as a high‑level guide and refer to the statutory text and IRS regulations for precise definitions, thresholds, and calculation methodologies.