Rail consignment note: CIM, SMGS, and when a single note covers both
A rail shipment crossing from Europe into the former Soviet space, or the other way round, does not travel under one law the whole way — it travels under two, CIM and SMGS, which meet at the border but were not written to merge automatically. This is about which consignment note applies where, what changed to stop the old rewrite-at-the-border routine, and what a single document can and cannot do across both regimes.
Two legal regimes, one journey
| Regime | Geographic scope | Legal basis |
|---|---|---|
| CIM | Western and Central Europe, COTIF member states | the Uniform Rules CIM, Appendix B to COTIF, administered by OTIF |
| SMGS | the “1520 space” — the former USSR, the Baltics, China, Mongolia, Iran and others | the SMGS Agreement, administered by OSJD |
| Common CIM/SMGS note | both regimes at once, no rewrite at the interchange point | the GLV-CIM/SMGS manual, a joint arrangement between the two legal systems |
| What follows | which note applies is not a formality — it follows the physical route | crossing from one regime into the other is usually also where the track gauge changes |
Which regime applies is not paperwork trivia — it is set by where the wagon physically is, and a shipment that changes regime partway through needs the change handled correctly or the consignment note stops matching the journey it is supposed to describe.
Why the note changes mid-route
The clearest sign a shipment has crossed regimes is not the paperwork at all — it is the track. CIM territory runs on 1435 mm standard gauge; the 1520 space, where SMGS applies, runs on the wider Soviet-era gauge, and the two do not interoperate without either a bogie change or a transload. The legal boundary and the physical one sit at almost the same place on the map — see track gauge for what that means for the wagon itself.
That coincidence is not an accident of history so much as a consequence of it: both boundaries trace back to the same 19th- and 20th-century decisions about railway networks, which is why crossing one so often means crossing the other.
What used to happen at the interchange point
Historically, a consignment note reaching the edge of one regime was simply rewritten into the other at what is called the reconsignment point: a CIM note became an SMGS note, or vice versa, with a new document, new signatures, and a real chance for something — weight, description, marks — to be copied across incorrectly.
The common CIM/SMGS note: how it solves the problem
The common CIM/SMGS note, set out in the GLV-CIM/SMGS manual, exists to remove that step. It combines both legal regimes into a single transport document that a wagonload shipment or a combined-transport movement can carry the whole way, without being replaced partway through — one paper trail rather than two joined at a seam.
What has to be entered on it
Because it has to satisfy two legal systems at once, the note carries fields specific to each: boxes referring only to the SMGS contract are completed in Russian, and for consignments to or from China it may additionally be completed in Chinese.
None of that is decorative. Each language block corresponds to a legal requirement in one regime or the other, and leaving a required box blank does not simplify the document — it just means that regime's rules were never actually satisfied.
Which note for which scenario
| Scenario | Which note | Example |
|---|---|---|
| Shipment stays entirely within CIM territory | a CIM note | Germany to Poland |
| Shipment stays entirely within the 1520 space | an SMGS note | Kazakhstan to Russia |
| Shipment crosses the CIM/SMGS interchange without physical transfer | the common CIM/SMGS note | China to Europe via the corridor through Kazakhstan, Azerbaijan and Georgia |
| What follows | the note follows the contract, not the wagon | choosing the wrong one at booking is what forces a rewrite later |
Where the choice actually gets made is at booking, not at the border, and getting it wrong there is what forces a rewrite later:
Filling it in correctly
The pattern is straightforward once it is stated plainly: use the common note whenever the load itself is not physically transferred between wagons at the interchange, and use a single-regime note whenever the whole journey stays on one side of the gauge boundary.
- Whole route inside CIM territory — a standard CIM note, nothing further needed
- Whole route inside the 1520 space — a standard SMGS note
- Route crosses the interchange without a physical transfer — the common CIM/SMGS note, booked as such from the start
- Route involves a bogie change or transload — confirm in advance whether that counts as crossing regimes for this specific movement
- Cargo bound for or from China — check whether a Chinese-language block is required alongside the Russian one
- Combined transport with a container change of mode — the rail leg's note needs to match what the road or sea leg's documents say about the same goods
A few points are worth being deliberate about when the form is filled in: the wagon number and its technical data are recorded separately from the commercial description of the goods, the border transfer station and the method of transfer — bogie exchange, transload, or container moved to another wagon — need to be stated, not assumed, and the description of the goods has to survive translation into whichever second language the note requires without drifting from what is on the commercial invoice.
Liability is not identical on both sides
One thing the common note does not do is unify liability. CIM and SMGS set their own rules for what a carrier answers for and up to what limit, and those rules are not identical — a claim on the CIM leg of a journey is not automatically resolved the same way as one on the SMGS leg. For the broader landscape of transport documents a shipment carries alongside the rail note, see shipping documents.
Development prospects
A longer-term fix is on paper but not yet in force: the URL Convention (Uniform Rail Law) is meant to bridge CIM and SMGS into one legal regime with one contract and one liability rule. Its signing window ran from January 2024 to March 2025, only a handful of states have signed so far, and it takes effect six months after five signatories ratify — a real project, but a distant one, not something to plan a shipment around today.
In short
Two legal regimes meet, but do not merge, roughly where the track gauge changes, and for most of rail history a shipment crossing that line had its consignment note rewritten from scratch. The common CIM/SMGS note removes that step for wagonload and combined transport, at the cost of a form that has to satisfy two legal systems — and two languages — at once. Tell us the route and whether the wagon changes gauge along it, and we will confirm which note the shipment actually needs.
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