Preferential duty under a trade agreement is claimed, not granted. The goods qualifying is only half of it; being able to prove they qualify, in the form the agreement requires, is the other half — and it is where importers lose the benefit far more often than on substance.
Two different certificates
A non-preferential certificate of origin is a general statement of where goods were produced, usually issued by a chamber of commerce. It is required for various regulatory and commercial purposes, and letters of credit frequently call for one. It does not, by itself, secure preferential duty.
A preferential proof of origin is the specific instrument a trade agreement requires. This is what reduces your duty. Depending on the agreement and the consignment value it will be either a certificate issued by an authorised body in the exporting country, or a declaration made by the exporter on a commercial document.
These are not interchangeable. Presenting a generic chamber certificate where the agreement requires its own instrument gets you the standard rate.
Where the main markets stand
- United Kingdom. India–UK CETA in force since 15 July 2026. Worked stone enters at 0% with a valid proof of origin.
- UAE. India–UAE CEPA in force since 2022. 0% or reduced against a 5% MFN rate, supported by an electronic certificate of origin.
- Germany and the EU. Worked stone is 0% under the Common Customs Tariff across all 27 member states, so there is no preferential rate to claim.
- Australia. India–Australia ECTA in force since 29 December 2022, with proof of origin required to claim.
- United States. Roughly 18% under the US–India bilateral deal as at early 2026, down from a 50% peak. Verify the live HTS rate before you quote.
The wider picture is in import duty on Indian stone.
What each agreement asks you to prove
1. Is the good originating?
For natural stone quarried, cut and finished in India this is straightforward — it is wholly obtained. Stone extracted from Indian soil and processed in India is Indian.
The complication is re-export. Stone imported into India, processed, and shipped on is not Indian-origin stone for preference purposes. A limestone quarried in Egypt and polished in India is Egyptian in origin.
This is not a technicality. It is why we keep foreign stones entirely off our Indian list: Osiris Grey limestone is Egyptian; Blue Pearl and Emerald Pearl are Norwegian larvikite from Larvik; Baltic Brown is Finnish; Volga Blue is Ukrainian; Bianco Antico is Brazilian. An “Indian granite” catalogue containing those is a catalogue that will eventually produce an origin claim that cannot be supported.
2. Is the good consigned directly?
Most agreements require the goods to travel directly, or — where they pass through a third country — to show that no operation beyond unloading, reloading, splitting consignments and preservation took place.
This matters for Indian stone because transhipment is normal. Cargo routinely tranships through Colombo, Jebel Ali, Singapore or Port Klang. Keep the through bill of lading covering the whole journey, and where the routing is complex, a non-manipulation certificate from the transhipment port authority. Losing the through bill of lading is one of the most common ways a valid preference claim fails.
3. Is the classification right?
Some rules of origin are expressed as a change of tariff heading. Where that applies, the classification of the inputs and of the finished good both matter. For wholly-obtained stone this rarely bites, but it is a reason the commodity code on your entry and on the supplier’s documentation should agree — see our guide to HS codes for natural stone.
4. Is the documentation consistent?
Consistency is what a verification checks. The origin declared on the proof of origin must match the description and origin on the commercial invoice, which must match the packing list, which must match the bill of lading. A certificate saying “granite, India” against an invoice naming an Egyptian limestone is a certificate that will not survive a look.
The verification you should expect
Customs authorities verify preference claims, and they do it long after the container has been unloaded and forgotten, often years later. A verification request goes to the importing authority, which may ask the exporting country’s authority to confirm the certificate, and may ask you for supporting records.
Retention. Keep the origin documentation for the period your national customs authority and the agreement require, typically several years. Retain the commercial invoice, packing list, bill of lading, proof of origin and any transhipment documentation together, filed against the entry.
If the claim fails on verification, the duty becomes payable retrospectively, usually with interest and sometimes with penalties. The importer of record carries that liability, not the overseas supplier. That is why you should care about your supplier’s origin discipline even though the exposure looks like theirs.
The importer’s checklist
Before you contract:
- Confirm the agreement is in force on your expected entry date
- Confirm what proof of origin it requires — certificate, or exporter declaration, and above what value
- Confirm the preferential rate for your specific commodity code, and whether it is staged
Before the goods ship:
- Confirm the exporter will issue that specific instrument, not a generic chamber certificate
- Confirm the routing and whether transhipment documentation will be needed
- Check the origin statement matches the goods description you have been quoting
On arrival: check the documents agree with each other before entry, then file and retain everything against the entry for the full retention period.
Five questions for your supplier
- Where was this stone quarried, and where was it processed? Both answers, in writing.
- Is any of this material imported into India and re-exported?
- Which proof of origin will you issue, and through which authority?
- Will the origin on the certificate match the description on the invoice?
- What is the routing, and will there be a through bill of lading?
The second question is the one nobody asks and the one that matters most. A supplier who has to think about it is a supplier whose catalogue mixes origins.
How Gemarix handles origin
We issue documentation that survives a verification. Origin on our documents matches origin in our records, which matches the district and village on the quotation. Our Rajasthan-origin stones — marble, sandstone and R Black — come from quarries within roughly 400 km of Udaipur and ship ex-Mundra or Kandla. India’s premium blacks such as Absolute Black and Black Galaxy come from the South-Indian belts in Karnataka, Tamil Nadu and Telangana and ship ex-Chennai or Krishnapatnam. We state which on the paperwork, because a certificate that disagrees with the invoice is a certificate that fails. See also Incoterms for stone importers.
Frequently Asked Questions
Does a certificate of origin reduce import duty on stone?
A preferential proof of origin does, where a trade agreement is in force. A generic non-preferential certificate from a chamber of commerce does not by itself secure a preferential rate. The two are different instruments and are not interchangeable.
Is Indian stone duty free into the UK?
Worked natural stone is 0% into the UK under the India-UK CETA, which came into force on 15 July 2026, provided a valid proof of origin accompanies the entry. Without the proof of origin the standard rate applies.
What proof of origin does the UAE require for Indian stone?
The India-UAE CEPA has been in force since 2022 and gives 0% or a reduced rate against a 5% MFN rate. UAE entries are supported by an electronic certificate of origin, and your broker will confirm the current submission route.
Do I need a certificate of origin for stone into Germany?
Worked stone already enters the EU at 0% under the Common Customs Tariff, so there is no preferential rate to claim. A non-preferential certificate may still be required for commercial or regulatory reasons, such as a letter of credit.
Does stone imported into India and re-exported qualify as Indian origin?
No. Stone quarried abroad, processed in India and shipped on is not Indian-origin stone for preference purposes. Egyptian limestone polished in India remains Egyptian in origin, and presenting it as Indian creates a liability for the importer of record.