A qualifying steel shipment clears EU customs in 2026, enters a factory, moves through production, and may be sold before the importer buys the carbon certificates attached to it. That timing mismatch is the core cash-flow problem behind CBAM compliance manufacturers now face. The obligation exists from 1 January 2026, while certificate purchasing for those imports begins later. Cost exposure can therefore sit inside inventory, pricing, and margin before Treasury settles it.

For a CFO, the important change is not another carbon reporting field. CBAM has created a financial obligation whose operational trigger and cash settlement occur at different times. The business must know which imports created exposure and which emissions basis supports it. Finance also needs to know where that cost sits in product economics before payment begins.

1 January 2026 turned each qualifying import into a financial data point for CBAM compliance manufacturers

The CBAM definitive regime 2026 changed the operating sequence

The CBAM definitive regime 2026 began on 1 January 2026, according to the European Commission Directorate-General for Taxation and Customs Union, DG TAXUD. From that date, covered imports generated obligations including authorisation, emissions reporting, and ultimately the purchase and surrender of CBAM certificates. Regulation (EU) 2023/956 establishing the Carbon Border Adjustment Mechanism is the legal base, with Regulation (EU) 2025/2083 simplifying and strengthening CBAM forming part of the current framework.

The mechanism currently covers six sectors: cement, iron and steel, aluminium, fertilisers, electricity and hydrogen, subject to the CN codes in Annex I of Regulation (EU) 2023/956. The import record is therefore no longer only a customs record. It is also the opening record for a future carbon-related financial obligation.

Three control questions now sit behind each import flow

1. Did the goods fall inside CBAM scope and enter through the correct legal entity?

2. Can the Authorised CBAM Declarant reconcile TARIC and national customs records with the CBAM Registry?

3. Can Finance trace the same import into the emissions basis, product cost, provision, and eventual certificate purchase?

The 50-tonne mass threshold does not create the same exemption for electricity or hydrogen. DG TAXUD stated before launch that importers above 50 tonnes in the four mass-based sectors, plus importers of electricity or hydrogen, had to have submitted an authorisation application or obtained authorisation. CBAM compliance manufacturers therefore need the threshold logic tied to the correct commodity and legal entity, not embedded in a generic import policy.

The invoice arrives later than the economic liability

DG TAXUD states that importers do not purchase certificates for their 2026 imports during 2026. Sales through the common central platform begin in February 2027, including certificates required for 2026 imports. The goods can therefore be imported, transformed, invoiced to a customer, and converted into revenue before the cash outflow for the related CBAM certificates begins.

That sequence changes the accounting and control problem. The absence of a certificate invoice in 2026 does not justify ignoring the cost until 2027. Finance must build accrual and forecasting logic around customs and emissions data, not the later payment event. Otherwise, product margins can look intact while the business carries an unallocated future obligation. That gap separates the cost from the product or customer that created it.

The scale is already industrial, not experimental

Die Europäische Kommission reported that between 1 and 6 January 2026, 1,655,613 tonnes of CBAM goods entered the system, with iron and steel representing 98% of that volume. In the same DG TAXUD release, the Commission stated that by 7 January more than 12,000 economic operators had applied for authorisation and more than 4,100 had obtained authorised-declarant status. The CBAM definitive regime 2026 is therefore already attached to ordinary industrial trade flows at meaningful scale.

CE Interim published an earlier CBAM article for manufacturers in September 2025, before the definitive regime and the implementing acts now governing the operating mechanics. That piece remains useful for the original strategic choice around decarbonisation, supply-chain reshaping, or relocation, but its pre-2026 treatment of compliance is now superseded by the definitive rules described here.

Quarterly carbon prices are enough to start provisioning

The carbon border adjustment mechanism cost is now observable

The European Commission published a Q1 2026 CBAM certificate price of €75.36 on 7 April 2026 und eine Q2 2026 price of €75.28 on 6 July 2026. Commission Implementing Regulation (EU) 2025/2548 on CBAM certificate pricing ties the mechanism to EU ETS auction prices. During 2026 the Commission uses four quarterly weighted averages, moving to weekly pricing from 2027.

Those prices are not a complete landed-cost answer because regulatory adjustments still affect the declaration. Commission Implementing Regulation (EU) 2025/2620 on the free-allocation adjustment sits inside that calculation. For management, the point is narrower: the carbon border adjustment mechanism cost is no longer an unknown future concept. Finance now has enough information to establish a disciplined provision and product-level exposure model.

What CBAM compliance manufacturers need Finance to see before the first certificate is bought

• Start with imported quantity and CN classification reconciled to customs records.

• For each relevant product flow, record the emissions basis and its data source.

• Estimate the CBAM certificate requirement and document the price assumption.

• Assign the resulting carbon border adjustment mechanism cost to the correct product, customer, and legal entity.

• Set the Treasury timing for funding certificate purchases once settlement begins.

This is the same discipline that applies when working capital pressure develops elsewhere in manufacturing: cash becomes difficult to control when operational decisions and Finance records diverge. CE Interim’s analysis of working-capital stabilization describes the same underlying failure in a different setting, with inventory, receivables, payables, and operating decisions moving faster than financial visibility. CBAM adds another cross-functional cash exposure to that control problem.

Supplier emissions data determines whether the provision is defensible

Commission Implementing Regulation (EU) 2025/2547 on embedded-emissions calculations makes emissions data part of the operating chain behind the declaration. A third-country installation operator may hold the source information. An accredited verifier may then connect production data to the figure used for compliance. CBAM declarant obligations therefore reach beyond the importing company’s own systems.

That matters for supply chains linking Türkiye, China, and India with Germany and Romania. The same issue applies across the wider Central and Eastern European manufacturing corridor. Material can arrive on time while emissions information follows later or at the wrong level. The data may also fail to reconcile cleanly to the imported product. Production can continue while Finance still lacks a complete record. The first failure may therefore surface in margin, provisioning, or year-end reconciliation rather than at the factory gate.

The handoffs matter more than the org chart

Customs knows what crossed the border. Procurement owns the supplier relationship. Sustainability may own the emissions file, while the CFO / Treasury function owns provisioning and liquidity. CBAM compliance manufacturers need one reconciled import and emissions record across those functions. The same data must support the CBAM Registry, product costing, pricing decisions, and later certificate settlement.

February 2027 converts the estimate into a funding requirement

When certificate sales begin in February 2027, Treasury moves from estimating exposure to funding and executing purchases. At that point the related 2026 goods may already have been sold, customer prices fixed, and contribution margins reported. If the cost was not assigned earlier, the payment arrives after the commercial decision that created it.

CBAM certificates therefore belong inside normal industrial cash control, not a separate sustainability process. Finance must identify which legal entity owes the certificates and which imports generated the requirement. It must also track the provisioned price assumption and the commercial treatment of the cost. Those answers need to be available before Treasury moves cash.

Weekly pricing raises the control frequency from 2027

The Commission’s pricing methodology uses four quarterly weighted averages during 2026 and weekly pricing from 2027. That shorter pricing interval increases the importance of a current exposure register. Treasury does not need to behave like a carbon trading desk, but it does need a regular reconciliation between imported goods, emissions, certificate exposure, and liquidity.

The first settlement cycle is a test of the 2026 operating model

By the time certificate purchasing is underway, the decisive work should already have happened inside the 2026 operating year. The board needs a clear view of the importing entity and the Authorised CBAM Declarant. It also needs to know how teams validate emissions data, move the cost into product costing, and fund it through Treasury. If separate departments hold those answers, CBAM declarant obligations can remain unmanaged despite formal assignment.

The board decision is economic, not administrative

For some manufacturers, normal procurement and pricing decisions will contain the exposure. For others, margin pressure, restructuring, a sale process, or plant rationalisation will make the calculation tighter. An added carbon cost can then alter the economics of an already stressed asset. In those situations, an interim CFO or COO can impose a single operating owner across Customs, Procurement, Finance, and the plant. That executive can hold the control line while the permanent structure resets.

The board still has to decide what the asset can economically support. It can absorb or pass through the cost. It can restructure the operating model, sell the business with the exposure quantified, or close capacity that no longer clears the required return. CBAM compliance manufacturers cannot defer that decision simply because the certificate cash outflow begins later. The liability logic starts with the import. The quality of the 2026 control system will show whether the eventual cash requirement confirms the plan or exposes a margin that never existed.