A valid GRS certificate at the supplier level is not the same as proof that the units you sell are covered. This is where most Climate Pledge Friendly evidence failures actually happen.
The Scenario Many Sellers Discover Too Late
A supplier hands you a GRS (Global Recycled Standard) certificate. The badge looks legitimate, the certification body is recognized, and the facility appears in the public database. You list your product on Amazon, apply for the Climate Pledge Friendly (CPF) badge, and the application is rejected — or the badge appears and then disappears.
The reason is rarely the certificate itself. It is the Transaction Certificate (TC): the per-batch document that links a specific shipment of goods to the certified facility's chain of custody. When the TC does not match the ASIN you are selling, the CPF evidence chain breaks — even when the underlying certification is real.
This article explains why that gap exists, where it most commonly occurs, and what to check before you submit.
Why CPF Recognizes GRS — and What That Actually Requires
Amazon's Climate Pledge Friendly program recognizes more than 50 sustainability certifications across product categories, and GRS is one of them. Recognition by CPF, however, does not mean that holding a GRS certificate is sufficient. CPF relies on the certification scheme's own documentation requirements. For GRS, that means both:
- A Scope Certificate (SC), which proves the facility is certified to handle recycled materials.
- A Transaction Certificate (TC), which proves a specific batch of goods follows the chain of custody from input to the buyer.
CPF review is essentially a documentation review. It asks: can you prove that the unit sold under this ASIN was produced under the certified chain of custody? A valid SC answers only the first half of that question.
SC vs TC: Two Documents, Two Different Jobs
| Dimension | Scope Certificate (SC) | Transaction Certificate (TC) |
|---|---|---|
| What it proves | A facility is certified to handle recycled materials | A specific batch of goods follows the chain of custody |
| Validity | 1 year | Issued per shipment batch |
| Scope of evidence | Facility-wide capability | Specific transaction / shipment |
| Role in CPF review | Confirms supplier eligibility | Confirms the ASIN's goods are covered |
| Typical failure | Expired or wrong product scope | TC does not list the ASIN's model/variant or recycled % |
The critical point: an SC can be perfectly valid and still cover none of the specific units you are selling. The TC is what ties certification to product.
Key distinction
The SC answers can this facility do this work? The TC answers was this specific batch actually produced under that chain of custody? CPF's evidence requirement is the second question, applied to the ASIN.
Where the Evidence Chain Breaks: TC Must Match ASIN
The most common break happens at the ASIN level. CPF reviewers compare the TC against the ASIN. If the TC lists a different model number, a different buyer, or goods that do not correspond to the listing, the evidence does not connect.
Concretely, the chain breaks when:
- The TC lists a single model while the ASIN groups multiple variants. CPF allows multi-ASIN grouping when variants differ by less than 20% in weight, appearance, or materials. But the TC must cover all ASIN variants. If the TC only names one model, the other variants have no documented evidence.
- The recycled content percentage on the TC does not match the listing claim. GRS requires a minimum of 20% recycled content to apply the standard and 50% to use the GRS label. If your listing claims "recycled" at a certain percentage, the TC must support that exact figure. A TC stating a lower percentage undermines the claim; a listing that overstates the TC's figure is the more common problem.
- The buyer or shipment details on the TC do not trace to you. GRS chain of custody is buyer-specific. A TC issued to a different buyer, or for a shipment that never reached your supply chain, cannot be repurposed to cover your ASIN.
A valid GRS certificate with a mismatched TC is, for CPF purposes, the same as having no usable evidence for that ASIN.
Different Certifications Use Different Traceability Documents
GRS is not the only scheme CPF recognizes, and the documentation logic differs by standard. Knowing which document type applies helps you request the right evidence from the start.
| Certification | Traceability document | Issued by |
|---|---|---|
| GRS / RCS | Transaction Certificate (TC) | Certified body, per batch |
| FSC | Chain of Custody (CoC) certificate / transaction claim | FSC-accredited body |
| ISCC | Proof of Sustainability (PoS) | ISCC-accredited certification body |
Requesting a "TC" from an FSC-certified supplier, for example, is a category error — they will not produce that document, because their scheme uses a different mechanism. Match the document request to the certification.
What a Complete TC Application Requires
If you need a TC issued or corrected, your supplier's certification body will ask for a full documentation package. GRS TC applications typically require:
- Raw material TC (for the recycled input)
- Commercial invoices
- Transport documents
- The buyer's Scope Certificate
- Sales contracts
- Production records showing input and output weights
This is why TC correction is not instant. It depends on the supplier's records and the certification body's review cycle.
Common CPF Rejection Patterns
Public industry data suggests a CPF rejection rate around 35%, with the core reasons clustering around three themes:
- Scope mismatch — the certification covers a different product category or facility than the ASIN.
- Document incompleteness — the TC is missing, expired, or does not cover the relevant batch.
- Product–certification type mismatch — the certification does not match the product being listed (for example, a GRS certificate applied to a non-textile ASIN where the certification does not extend).
The TC–ASIN mismatch sits at the intersection of all three: the document exists, but it does not connect to the product being sold.
Timeline and Practical Advice
TC supplementation — issuing a new or corrected TC — typically takes two to four weeks, depending on the supplier's record completeness and the certification body's workload. Because CPF review adds its own cycle on top, a practical guideline is to begin CPF preparation at least six weeks before you need the badge.
Before submitting, verify three things:
- The SC is valid and covers your product scope.
- The TC lists the exact model/variants your ASIN groups, and the buyer traces to you.
- The recycled content percentage on the TC matches your listing claim exactly.
These checks do not guarantee CPF approval, but they address the most common points where the evidence chain breaks.
About Greenark
Greenark (Shenzhen) Certification Co., Ltd.
Email: sui@greenark-sz.com
Website: www.greenark-sz.com
Tel / WeChat: 18407559004
This article is for general informational purposes and reflects publicly available information as of the date verified above. It does not constitute certification advice, legal advice, or a guarantee of any audit, platform display, traffic, or ranking outcome. Certification requirements and platform policies change; always confirm current requirements with the relevant certification body and the official Amazon Climate Pledge Friendly documentation.
