EPR Explained for Manufacturers: Why EU Compliance Starts With Your BOM Data

Extended Producer Responsibility — EPR — is a regulatory model that holds companies financially responsible for the end-of-life management of the packaging they put on the market. The fees they pay fund collection, sorting, and recycling infrastructure across the EU.

On the surface, EPR is a brand-owner obligation. The brand that sells the product registers with the national authority, files the declaration, and pays the fees. If you manufacture packaging components or supply finished goods to brands, you are not the one signing the EPR registration form.

So why does EPR keep landing in your inbox?

The data problem that manufacturers solve

To file an EPR declaration, a brand must report the exact weight and material of every packaging component on every product they sold — broken down by EU country. Cardboard: 4.2 tonnes in Germany, 1.8 tonnes in France. PET plastic: 0.6 tonnes in Germany, 0.2 tonnes in France. And so on.

That calculation starts with a single input: how many grams of which material are in each packaging component, per product SKU. The brand knows how many units they sold to each country. You know what the packaging weighs and what it is made of.

Without your data, they cannot calculate anything. This is not optional documentation — it is the foundational input for a legally required declaration. When your clients send you packaging data requests, they are not asking for a favor. They are trying to close a compliance gap that requires your input to fill.

How EPR works in the EU, country by country

There is no single EU-wide EPR system (yet — that changes with the PPWR in August 2026). Instead, each country has its own Producer Responsibility Organization (PRO) and its own registration and reporting process:

A brand selling across five EU countries needs five separate registrations, five separate declarations, and five separate data aggregations. Each one requires your packaging BOM data as an input. If they sell to eight countries, they need your data feeding eight calculations.

Are manufacturers directly subject to EPR?

In most cases: not for the packaging you supply to brand clients. The "producer" under EPR law is generally the company that places the packaged product on the market — your client.

However, there are scenarios where manufacturers do carry direct EPR obligations:

• If you sell packaged goods directly to end consumers — D2C sales, your own brand, or B2B sales where the packaging reaches an end user — you are the producer for that packaging and carry the EPR obligation yourself.
• If you import packaged goods into the EU and sell them to brands or distributors, you may be classified as the importer of record and thus the producer.
• If you fill service packaging — co-packing, contract manufacturing — the obligation depends on whose brand is on the packaging and the specific contractual arrangement.

For most B2B manufacturers supplying components or finished goods to brand clients: your clients carry the direct EPR obligation, and your role is to provide accurate BOM data that enables them to meet it.

What a packaging BOM contains

A packaging BOM (Bill of Materials) is a structured list of every packaging component for a given product, with the material type, weight, and packaging level of each component. It is the document that translates physical packaging into the inputs EPR declarations require.

A complete packaging BOM entry looks like this:

Your clients multiply these weights by the number of units they sold to each country, aggregate by material, and submit the totals to the national PRO. The accuracy of their declaration — and therefore their compliance — is only as good as the data you provide.

Why this will keep growing as an obligation

Three dynamics are converging to increase the frequency and formality of packaging data requests:

1. PPWR standardizes the data format EU-wide

The PPWR, entering into force in August 2026, harmonizes packaging declarations across all 27 EU member states. Previously, each country had different material categories, thresholds, and reporting timelines. From 2026, the core data structure is the same everywhere. This makes it easier for brands to build proper data pipelines — and harder to accept inconsistent supplier data.

2. Digital product passports are coming

The PPWR includes provisions for digital labels and eventually digital product passports that carry packaging composition data directly on the product. This will require suppliers to maintain structured, machine-readable packaging data — not just spreadsheets sent by email.

3. Audits are becoming more common

As EPR enforcement matures, national authorities are starting to audit brand declarations. Brands that receive audit requests will trace their data back to suppliers. If you cannot provide documented, versioned BOM data that matches what your client declared, it creates liability for both parties.

What manufacturers can do now

The practical steps are straightforward:

• Audit your products. For each product you supply to EU brand clients, do you have documented packaging specs with material type and weight? If not, start there.
• Standardize your format. Different clients currently receive your data in different formats. Standardizing on the BOM structure above makes each new request faster to handle.
• Centralize your data. Maintaining packaging specs in one place — rather than scattered across order-specific spreadsheets — means a packaging change triggers one update, not ten.
• Version your data. When packaging changes, record the old and new versions with effective dates. Your clients need to match your data to their specific reporting period — they cannot do that without version history.

For more on the regulatory context behind these requests, read why your clients keep asking for packaging data. For how the 2026 regulation specifically changes things, see PPWR 2026: what manufacturers need to know.