Serbian manufacturers sourcing steel and aluminium from foreign suppliers face growing demand from EU buyers for verified precursor emissions data, while producers and intermediaries seek to protect commercially sensitive information about production routes, energy use and plant operations.
The challenge is to provide sufficient evidence for carbon reporting without requiring unrestricted disclosure of upstream trade secrets. A controlled system can allow manufacturers to use actual emissions values while limiting access to sensitive records to authorised personnel, customers and independent verifiers.
Supplier Contracts Define Access to Emissions Data
Procurement agreements should establish data-sharing conditions before materials are delivered. Suppliers can agree to provide the producing installation, reporting period, emissions values, calculation methodology and verification reference, while restricting access to detailed production information.
Where even installation-specific information is commercially sensitive, contracts can provide for direct disclosure to an accredited verifier under confidentiality terms. This allows the evidence to be checked without necessarily giving the downstream processor access to every underlying record.
A three-tier access model can separate responsibilities. Factory operating teams receive the information required for production control and emissions allocation, independent verifiers access the detailed evidence needed for assurance, and EU customers receive verified product results and agreed supporting data.
Access logs and confidentiality clauses establish who can view each category of information. Restricted access must not eliminate traceability: if a processor cannot establish the source of an emissions factor, the value may not qualify for use as actual data.
Traders and Intermediaries Require Clear Data Rights
The issue is particularly relevant when distributors operate between a producing mill and a Serbian processor. A trader may agree to disclose the original producer’s identity to a verifier but resist sharing it directly with the downstream factory because of concerns about losing the commercial relationship. Contracts can preserve the intermediary’s role while allowing emissions evidence to reach an independent verifier through a controlled channel. These arrangements are best negotiated before tenders and deliveries, because adding data-access rights after a transaction has taken place can be difficult.
Purpose-limited data-sharing agreements can further protect commercial relationships. They can restrict the use of upstream information to CBAM reporting, product-carbon-footprint verification or specified customer assurance, preventing the information from being used to bypass the trader or negotiate directly with the producer.
Digital Platforms Support Controlled Disclosure
Permission-based digital platforms, secure portals and other restricted data-exchange systems can help manage access to confidential information. Their effectiveness, however, depends on clear governance and reliable underlying evidence.
Exporters must still establish whether the information refers to the correct product, producing installation and reporting period, and whether its methodology and verification status are appropriate. Digital controls alone cannot establish the validity of an emissions claim.
EU buyers also need to distinguish between information required to verify a product result and detailed upstream process data that may not be necessary for compliance. Requests for a verified emissions figure, an assurance reference and independent access to confidential evidence can provide a more proportionate alternative to demanding full production disclosure.
Confidentiality Risk Affects Procurement Decisions
Manufacturers should assess data-access restrictions when selecting suppliers. If a critical precursor supplier will not permit sufficient verification access, management needs to compare the implications of using default or alternative emissions factors with the cost of changing the source.
Where supply chains are particularly sensitive, a neutral data intermediary may provide another option. A producer can submit detailed information to a trusted verifier or platform, which confirms the relevant emissions value to the downstream processor without revealing protected production parameters. The intermediary’s independence and governance must themselves be credible.
Confidentiality arrangements can also influence suppliers’ willingness to provide actual emissions values. A manufacturer that demonstrates secure handling of sensitive data may be better positioned to obtain primary information, reduce reliance on defaults and substantiate differentiated low-carbon products.
Verification Procedures Need to Be Established in Advance
Exporters should define how confidential information will be handled before an assurance process begins. Employees need to know which records can be shared directly, which require a non-disclosure agreement and which may be accessed only by the verifier.
Suppliers and processors must also agree on what happens if information cannot be disclosed even to the verifier. The exporter should understand whether an alternative factor will be necessary and incorporate the potential consequences into its sourcing decisions.
These procedures can prevent last-minute legal disputes from delaying verification when technical evidence already exists. For Serbian manufacturers operating through relationship-driven and intermediated supply chains, controlled disclosure, contractual data rights and independent assurance provide a way to protect commercial secrets while supporting credible carbon reporting.
Elevated by CBAM.Clarion.Engineer
