On June 12, 2026, the Commerce Department's International Trade Administration published preliminary results in the 2023 administrative review of the countervailing-duty order on crystalline silicon photovoltaic cells from China — case number C-570-980. The forensic point for anyone tracking the silicon supply base is simple: Commerce again preliminarily found that countervailable subsidies flowed to Chinese producers and exporters, this time for the period of review running January 1 through December 31, 2023. That finding is not a new tariff headline; it is the periodic recalibration of an existing duty order, and the numbers it generates set the cash-deposit rates importers actually post.
Two operative determinations sit in the notice. The first is the affirmative subsidy finding for the 2023 review period. The second is procedural but commercially meaningful: Commerce stated it intends to rescind the review with respect to the companies listed in Appendix III. A rescission, when finalized, means those companies are not assigned a newly calculated rate in this segment and instead retain their prior cash-deposit treatment. That bifurcation — affirmative for the reviewed respondents, rescission for the Appendix III group — is the kind of detail that determines which importers see their landed costs move.
"The U.S. Department of Commerce (Commerce) preliminarily determines that countervailable subsidies were provided to producers and exporters of crystalline silicon photovoltaic cells, whether or not assembled into modules, (solar cells) from the People's Republic of China (China) during the period of review (POR), January 1, 2023, through December 31, 2023."— Federal Register, source
Why a solar-cell duty order belongs on a chip desk
Crystalline silicon photovoltaic cells are not logic or memory chips, but they are built from the same upstream feedstock the semiconductor industry depends on: high-purity silicon, refined polysilicon, and the wafering and cell-processing steps that share equipment lineage with chip fabrication. The countervailing-duty order on Chinese solar cells is, in effect, a recurring U.S. policy intervention in the economics of silicon-based manufacturing. The subsidy programs Commerce examines — preferential financing, grants, input subsidies — are precisely the industrial-policy levers that also shape the broader Chinese semiconductor and materials buildout. Reading the solar CVD order is reading one chapter of how Washington prices Chinese state support across silicon manufacturing.
The financial mechanics are worth spelling out because they are where the order bites. A countervailing-duty order works through cash deposits: at entry, importers post a deposit equal to the assessed subsidy rate, and the administrative review trues that rate up or down for a past period. The preliminary results here begin that truing-up for 2023. Until the final results are issued, the preliminary rates are not yet collected as final liability, but they set the market's expectation for where deposits land. For importers, the swing between a preliminary and final rate is a direct working-capital and margin variable.
The procedural posture: preliminary, with comment open
This is a preliminary determination, not the last word. The notice states that interested parties are invited to comment on both the preliminary results and Commerce's intent to rescind the review in part. That comment window is the mechanism through which respondents and domestic petitioners contest the subsidy calculations and the rescission decision before Commerce issues final results. The rates in the final results frequently differ from the preliminary ones, sometimes materially, after Commerce works through case briefs and verification. Anyone modeling duty exposure should treat the preliminary numbers as a draft, not a settled cost.
The notice's applicability date — June 12, 2026 — governs the procedural effect of the publication, while the substantive subsidy finding is anchored to the 2023 period of review. Keeping those two dates distinct matters: the policy is being administered in 2026 for conduct that occurred in 2023, the lag that is structural to U.S. trade-remedy administration. The duty order itself, C-570-980, has been in place for years; this is one more annual segment in its life.
For accounting and treasury teams, the recurring-segment nature of the order is the operational reality. Each annual review can adjust the rate, which means the cash-deposit obligation an importer posts at entry is provisional until the corresponding review's final results assess the actual liability for that period. The gap between deposit and final assessment becomes a contingent asset or liability on the balance sheet, and the partial rescission signaled here — for the Appendix III companies — is exactly the kind of detail that determines whether a given importer carries that contingency at all. Reconciling which entries flow through reviewed respondents versus rescinded ones is not a footnote; it is the difference in the number.
What the record shows
The record establishes three concrete points. First, Commerce has preliminarily found that countervailable subsidies were provided to Chinese crystalline-silicon solar-cell producers during calendar 2023, sustaining the rationale of the existing duty order. Second, Commerce intends to rescind the review for the companies listed in Appendix III, a partial rollback that affects only that named subset. Third, the determination is preliminary and open for comment, so the rates and the rescission can still change before final results. The case is C-570-980, citation 91 FR 35664.
For a financials-focused reader, the instruction is to track the gap between these preliminary results and the eventual final rates, because that gap is the real cost variable for solar-silicon importers. More broadly, the order is a standing data point on how the United States quantifies Chinese subsidies in silicon manufacturing — a number that, while drawn from the solar segment, illuminates the same industrial-policy dynamics that shape the wider semiconductor and silicon-materials trade.