Rex's Freight Notes
IMDG Code: From Rules to Shipment Planning
A rulebook answers a different question from a booking confirmation. For a Shanghai-origin shipment, the useful starting point is to separate regulatory checks, carrier acceptance and destination arrangements—then identify what is still outstanding.
Written by Rex Xu·Shanghai, China
Shanghai Dangerous Goods & International Freight Forwarding Expert
Published
Updated
2 min read
What should I send? View the enquiry checklist
Short Answer
The IMDG Code is a key reference for packaged dangerous goods transported by sea. Start with the actual product, its shipping configuration, packaging and route, then have the relevant parties check the applicable requirements. Carrier acceptance, port arrangements and destination procedures need their own confirmation. Progress on one part of the shipment does not settle the others.
Classification, packing and acceptance remain subject to the current edition of applicable regulations, carrier review and port requirements. Confirm before shipment.
What does a practical answer need to distinguish?
An enquiry, a proposed routing and an accepted shipment are different stages. Ask what the response covers: the cargo description, the packaging proposal, a particular service, or only the availability of a quotation. A positive reply without a defined scope is difficult to act on.
A useful status note separates confirmed facts, open questions and the person responsible for the next action. That gives your supplier and destination agent something concrete to work with before cargo is dispatched.
What should you send before discussing the rules?
Describe the product, how it will travel, the packaging, origin, destination and required arrival date. Include available product documentation and packaging photographs. Mark missing information as outstanding instead of completing technical fields by guesswork.
For equipment or vehicles, explain the actual shipping configuration rather than relying on the sales name. A photograph can clarify a discussion, but it cannot establish a transport classification on its own.
How should an older document be checked?
Separate the age of the document from its relevance to this product. An older document may still describe the goods; a newly dated document may describe a different model or formulation. Ask the issuer to clarify the link between the evidence and the shipment.
Keep the issuer, revision and product reference visible in your working file. Conflicting technical statements need clarification, not an informal edit by a forwarder. Use the official IMO publication information to check applicable editions and implementation dates.
Where does Rex fit into the process?
I began in European general-cargo LCL operations in 2008 and moved into dangerous goods logistics in 2009. Today I coordinate the initial plan and key questions, while company operations colleagues handle daily bookings, documents and milestone updates.
For an overseas forwarder, that means a clear point of contact for the China-side plan. It does not mean that forwarding experience replaces a technical assessment, a test report or a decision by a competent authority.
What should be clear before the goods leave the supplier?
Check whether the documents match the product, the packaging proposal is settled, the intended service has given the necessary response, the relevant deadlines are achievable and the destination responsibilities are assigned. Keep pending checks separate from completed ones.
Send the cargo details and timing first. We can use them to organise the outstanding questions and discuss a practical FCL or LCL direction. This page is a planning guide, not a recorded compliance assessment of your shipment.
What a review is not
A carrier review is an assessment against that carrier's own current requirements, made by the carrier. It is not a guarantee, and it is not something a forwarder can convert into one. What we can do is make the submission accurate and complete, and tell you early when something will not work.
Sources and scope
These official references provide background, not a complete shipment checklist or acceptance approval. US guidance from PHMSA or OSHA does not replace Shanghai export requirements. Confirm the applicable rules and carrier requirements for the actual shipment.
Common questions
- Can I enquire without knowing the IMDG Code?
- Yes. Describe the actual product, configuration, packaging, destination and required timing. State what is unknown rather than guessing a technical answer.
- Does compliance mean a carrier must accept my cargo?
- No. Obtain the actual carrier response and check the service and operational conditions. A regulatory check is not a booking confirmation.
- Should all older documents be replaced?
- Not solely because of their date. Check whether they still describe the product and whether the applicable requirements have changed. Ask the issuer to clarify uncertainty.
- Does this page reproduce the applicable rules?
- No. It provides a planning approach and official reference links. It does not replace the Code or supply unverified limits and packing instructions.
- Is destination clearance covered by carrier approval?
- Do not assume so. Assign destination checks to the relevant agent or consignee and define that scope separately from the ocean movement.
- Can pricing discussions start with incomplete documents?
- Yes, as a preliminary discussion with explicit assumptions. Resolve material gaps affecting acceptance, packaging and timing before treating the plan as ready to execute.
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UN Number: What to Check Before Booking
Link the UN number to the actual product and supporting information.
Dangerous Goods Classification: Start with the Product
Product evidence, open questions and a clear handover.
UN Packaging Marks: What They Do Not Prove
Packing proposals, evidence and change notification before dispatch.
Tell me the cargo and the required arrival date
Cargo name, UN number if you have it, quantity, packaging, destination and the date it has to be there. If the classification is unsettled, say so and attach the MSDS.