TL;DR: When writing a packaging brief for a sustainability-conscious tender, the standard you cite determines which test method, which data format, and which third-party lab can verify your claim — getting this wrong costs you at least one sample iteration.
TL;DR: ISO 14044 and GHG Protocol Scope 3 are frequently cited together in EU tenders, but they govern different things — one covers LCA methodology, the other covers corporate emissions accounting, and confusing the two in a brief specification can delay supplier qualification by 3–6 weeks.
How Carbon and LCA Standards Are Actually Structured — and Where They Overlap #
The standards landscape for packaging carbon footprint and LCA splits into three functional layers: methodology standards that define how you calculate, data standards that define what numbers you use, and claim/label standards that define what you’re allowed to say on pack or in tender documentation. Each layer has its own governing bodies, and each is mandatory for different use cases.
Here is where buyers most commonly lose time: treating ISO 14040/14044 as a single unified standard for everything carbon-related in packaging. ISO 14040 sets the principles and framework for LCA. ISO 14044 adds the requirements and guidelines for conducting and reporting an LCA. You need both, used together, to produce a study that will satisfy an EU or Australian EPD (Environmental Product Declaration) program. Neither standard, by itself, tells you the carbon footprint of a corrugated shipper or a laminated flexible pouch. That requires a product category rule (PCR) published by the EPD program in question.
The table below maps the most commonly cited standards in packaging LCA and carbon footprint work across the US, EU, China, and Japan.
| Standard / Specification | Governing Body | Scope | Commonly Required In |
|---|---|---|---|
| ISO 14040 / ISO 14044 | ISO | LCA methodology — framework, goal/scope, inventory, impact assessment | EU EPDs, Ecovadis audits, CDP supply chain disclosures |
| GHG Protocol Product Standard | WBCSD / WRI | Product-level GHG accounting, Scope 3 boundary setting | US corporate sustainability reports, Walmart/Target supplier scorecards |
| PAS 2050:2011 | BSI | Product lifecycle GHG emissions — predecessor to ISO 14067 | UK public sector tenders, some ANZ retail chains |
| ISO 14067:2018 | ISO | Carbon footprint of products (CFP) — quantification and communication | EU taxonomy-aligned reporting, APAC sustainability tenders |
| EN 15804+A2 | CEN | PCR for construction products; baseline for packaging EPD programs in EU | Ecoinvent-linked EPDs, FEFCO environmental declarations |
| GB/T 24040-2008 / GB/T 24044-2008 | SAC (China) | Chinese adoption of ISO 14040/14044 — near-identical technically | CNCA-certified EPD programs, Chinese green product labels |
| JIS Q 14040 / JIS Q 14044 | JSA (Japan) | Japanese adoption of ISO 14040/14044 | Product Carbon Footprint labels under CFP Communication Program |
The EN 15804+A2 row needs a caveat: it was written for construction products, but European EPD programs for packaging (such as those run by the International EPD System) use it as a structural template, adapted via packaging-specific PCRs. When a European retailer requests an “EPD for your secondary packaging,” this is usually the framework they mean, even if they do not name EN 15804 explicitly.
Where Briefs Go Wrong — and What Breaks in Production as a Result #
The most damaging confusion we see in incoming packaging briefs is between ISO 14067:2018 and PAS 2050:2011. Technically, ISO 14067 supersedes PAS 2050 for international use, but PAS 2050 remains specified in UK and some Australian tenders that have not been updated since 2015. When a buyer cites PAS 2050 and expects ISO 14067-formatted output, the calculation boundaries differ — most significantly in how biogenic carbon is treated. PAS 2050 treats biogenic CO₂ from combustion as zero; ISO 14067 requires you to account for it with a time-correction factor. On a fibre-based packaging job running a high percentage of virgin kraft — say a 300 GSM folding carton with a 120 GSM kraft liner — the biogenic carbon difference between the two methods can shift the reported CFP figure by 15–25% depending on the wood source data used.
A second failure path is the misapplication of GHG Protocol Scope 3 Category 1 (Purchased Goods and Services) as a substitute for ISO 14044. We have received briefs that ask us to “provide our ISO 14040 LCA and Scope 3 data.” These are not interchangeable deliverables. Scope 3 Category 1 uses spend-based or activity-based emission factors to estimate upstream emissions at a corporate level. An ISO 14044-compliant LCA requires a full inventory analysis (LCI) and characterisation factors down to the functional unit. The data sources, system boundaries, and output formats are entirely different. Supplying one when the other is specified fails the tender’s verification step — and the re-submission cycle typically costs 3–6 weeks.
A third issue: China’s GB/T 24040-2008 is technically equivalent to ISO 14040:2006, but EPD programs in China operate under CNCA certification and use Chinese-language databases (the CLCD database rather than Ecoinvent). When a US buyer specifies an “ISO 14044-compliant LCA” in a brief to a Chinese supplier, that supplier may deliver a CNCA-certified study built on CLCD background data. The study is methodologically valid, but if the buyer’s auditor only accepts Ecoinvent v3.8 or later as the background database, the study is non-conforming. We flag this in what we call our BRF-02 Brief Alignment Review before any carbon documentation work begins — it prevents mismatched deliverables before sampling starts.
Does the EU PPWR Change Which LCA Standard Applies? #
Yes, but with a narrow scope. The EU Packaging and Packaging Waste Regulation (PPWR), currently in trilogue alignment, references ISO 14040/14044 as the methodological basis for packaging recyclability and recycled content substantiation. It does not mandate ISO 14067 for carbon footprint claims specifically — that falls under the Green Claims Directive, which is a separate instrument referencing ISO 14044 for substantiation and ISO 14067 for CFP quantification.
For packaging sold into the EU, the practical implication is this: if you are making a carbon footprint claim on pack (e.g., “30% lower carbon vs. previous packaging”), ISO 14067:2018 is the required methodology under the Green Claims Directive framework. If you are fulfilling a retailer’s EPD request for your packaging component, the International EPD System’s PCR for packaging is the applicable document. Both reference ISO 14044, but they are not the same deliverable and should not be quoted interchangeably in a brief.
Specification Notes for Brand Partners #
When you brief us on carbon footprint documentation for a packaging project, the three things we need upfront are: the target market or markets (EU, US, UK, China, APAC), the specific sustainability claim or disclosure requirement driving the request, and whether a third-party-verified EPD is needed or if an internal LCA for procurement use is sufficient.
The most common gap in incoming briefs is the absence of a specified functional unit. For packaging, the functional unit is usually “one unit of packaging protecting and delivering X grams of product Y under Z distribution conditions.” Without this, our LCA team cannot set system boundaries or select the appropriate PCR. Every round of clarification on system boundaries adds 5–10 working days to the LCA scope phase.
Our standard timeline for a product carbon footprint study (ISO 14067-compliant, using primary production data plus Ecoinvent v3.9 background data) is 15–20 working days from receipt of a complete brief. Third-party critical review, required for public-facing EPDs, adds 10–15 working days and depends on reviewer availability. If you need an EPD registered with the International EPD System or a comparable programme, plan for a total of 8–12 weeks from brief to published declaration.
Frequently Asked Questions #
Can I cite ISO 14040 alone in my sustainability tender without ISO 14044?
No. ISO 14040 and ISO 14044 are companion documents and are always used together. ISO 14040 provides the framework; ISO 14044 provides the requirements. A study citing only ISO 14040 is incomplete under any EPD program or third-party review protocol, and most EU retailer sustainability teams will flag it.
What is the difference between a carbon footprint (ISO 14067) and an EPD for packaging?
It depends on what your retailer or tender requires. An ISO 14067 carbon footprint study quantifies greenhouse gas emissions across the product lifecycle and results in a CFP figure — useful for on-pack claims and carbon labelling. An EPD covers multiple environmental impact categories (not just carbon) and is verified by a third party against a product category rule. An EPD is a broader, more costly commitment, but it satisfies most EU retailer sustainability disclosure requirements that a standalone CFP study does not.
Is the GB/T 24040 standard accepted by EU buyers?
Methodologically, yes — GB/T 24040 is a near-identical adoption of ISO 14040. The gap is in background data: studies built on the Chinese CLCD database may not be accepted by EU auditors who require Ecoinvent as the primary background dataset. If you need a single study accepted in both markets, specify Ecoinvent v3.8 or later as the background database and ensure the study is reviewed by a third party accredited by an IAF-member body.
My packaging supplier says they have an ISO 14044 LCA — is that enough for a PAS 2060 carbon-neutral claim?
No. PAS 2060:2014 requires a Carbon Footprint Management Plan, a commitment to reduction targets, and verified offsetting of residual emissions through approved schemes. An ISO 14044 LCA is the measurement foundation, but PAS 2060 requires additional documentation layers. Budget at least 4–6 weeks of additional work beyond the LCA to prepare a PAS 2060 conformance package.
What MOQ or project scale justifies a full third-party-verified EPD versus an internal LCA?
The threshold varies by buyer, but in our experience, brands ordering above approximately 500,000 units annually of a single SKU — where that packaging is appearing on retailer sustainability scorecards — typically find the EPD cost justified. For smaller volumes or internal procurement use, an ISO 14067-compliant internal study costs meaningfully less and satisfies most supplier questionnaires that do not explicitly require third-party verification.
Planning a packaging project? Contact our team to request a complimentary specification review and sample quote.
