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By Joyce Nicolai
Dangerous goods professionals regularly encounter carrier specific requirements that go beyond what the regulations themselves require. One example is the insistence by some shipping lines that UN specification packaging codes be declared on the Multimodal Dangerous Goods Form, or MMDGF, for Limited Quantity consignments.
For shippers and freight forwarders, this can create an unnecessary operational challenge. In many cases, the requested information simply does not exist because the packaging being used is not UN specification packaging.
Limited Quantities and UN Specification Packaging
Under the IMDG Code, the Limited Quantity provisions provide a simplified compliance pathway for eligible dangerous goods. Consignments prepared under these provisions are not required to use UN performance tested packaging and therefore do not require UN specification markings or packaging test codes. Instead, they are transported under a reduced set of requirements applicable to Limited Quantities.
Against this regulatory framework, requiring a UN packaging specification code for every Limited Quantity consignment can create a practical problem.
Where non UN specification packaging is used, there is simply no UN specification code to declare. Requesting one can result in unnecessary correspondence, delays and frustration, without changing the regulatory status or safety profile of the consignment.
When a UN Specification Code Is Available
Some Limited Quantity consignments are, of course, packed in UN specification packaging.
A shipper may standardise packaging across different product lines or choose to use packaging that already carries a UN mark, even though the Limited Quantity provisions do not require it.
In those circumstances, the relevant UN specification code can be included on the MMDGF when UN specification packaging is voluntarily used for a Limited Quantity consignment.
However, the presence of a UN mark does not change the regulatory status of the consignment. When a consignment is offered under the Limited Quantity provisions, the declaration must still include the words “Limited Quantities” as prescribed.
Using UN specification packaging does not, on its own, convert a Limited Quantity consignment into a fully regulated dangerous goods shipment.
Regulatory Requirements and Carrier Requirements
The broader issue is the distinction between what the IMDG Code requires and what an individual carrier may choose to require.
Shipping lines may impose additional operational or documentation conditions beyond the minimum regulatory provisions. However, when those conditions demand information that does not apply to the consignment, they can add complexity without improving the quality or accuracy of the dangerous goods declaration.
For industry, clarity around this distinction is essential.
Shippers and freight forwarders need to understand what the IMDG Code requires, what a particular carrier requires, and whether the information being requested actually exists for the packaging in use.
This distinction matters in real world operations. A carrier requirement may still need to be addressed commercially or operationally, but that does not necessarily make it an IMDG Code requirement.
The Practical Implication
When a shipping line requests a UN specification packaging code for a Limited Quantity consignment, the first question should be whether UN specification packaging has actually been used.
If it has, the relevant information may be available.
If it has not, there is no legitimate UN specification code to provide. The issue then becomes one of clarifying the carrier’s documentation requirement rather than attempting to populate the declaration with information that does not exist.
Understanding that difference helps protect the accuracy of dangerous goods documentation while allowing shippers, freight forwarders and carriers to resolve additional operational requirements constructively.
Final Reflection
The Limited Quantity provisions exist to provide a proportionate regulatory approach for dangerous goods that meet the relevant criteria.
Any additional carrier requirements should therefore be clear, relevant and achievable, without obliging shippers or freight forwarders to provide packaging information that does not exist.
Where carrier documentation requirements extend beyond the IMDG Code, industry should be prepared to question them constructively. Effective dangerous goods compliance is not about adding requirements for their own sake. It is about applying the correct requirements accurately, consistently and in support of safe transport.