Guide · orientation
IBC tote regulations, translated out of regulator-speak
Some buyers pay for UN-rated totes they will never need; others ship regulated goods in a tote whose test status has lapsed. Both come from the same gap: nobody explained what the marking means. This guide is orientation, not legal advice. Check current regulations yourself.
Need UN-marked totes?
Tell us the product, the UN marking you need and where it ships. A partner supplier will follow up on availability. Compliance with transport rules stays with the shipper.
Reading a UN marking
A UN-marked IBC carries a code that describes the design it was tested to. A typical composite tote marking starts with the UN symbol followed by something like 31HA1/Y, then the month and year of manufacture, the country, the manufacturer’s code, and test values such as stacking load and maximum gross mass.
- 31 means an IBC for liquids.
- HA1 describes a composite IBC with a rigid plastic inner receptacle in a steel outer frame (the common caged tote).
- X, Y or Z shows the packing groups the design was tested for: X covers packing groups I, II and III; Y covers II and III; Z covers III only.
Many units also carry a record of later leakproofness tests and inspections. The UN markings decoder walks through a plate field by field.
Questions to work through
- 01
Is your material a regulated hazardous material in transport?
Check section 14 of the SDS and the current hazardous materials table. If the material has no UN number and no hazard class, most of this page will not apply to it.
- 02
If yes, what packing group?
The X, Y or Z letter on the marking sets the limit. A Y-marked tote is not for a packing group I material.
- 03
Is the tote within its test cycle?
Generally a leakproofness test every 2.5 years and a periodic inspection every 5 years, from the date of manufacture. Read the test dates on the unit.
- 04
Has the tote been repaired or had its bottle replaced?
Repairs and bottle replacements can change what testing and marking are required. Ask the supplier for the records and check current rules.
- 05
Is the shipment marked and labelled?
The IBC marking is about the container; the UN number, proper shipping name and hazard labels are about the shipment. Both have to be right.
- 06
Do you have the records?
Test dates and results should be retained and producible.
When the rules usually apply
| Situation | UN-marked IBC usually needed? | Notes |
|---|---|---|
| Water storage on your own site | No | Any sound tote that holds water |
| Non-regulated liquid, shipped by road | No | Carrier rules still apply |
| Regulated liquid, shipped by road | Yes | The core case for UN-marked IBCs |
| Regulated liquid, moved within one site | Often no | Check state and local rules |
| Regulated liquid, by sea or air | Yes, with mode-specific rules | IMDG Code for sea, IATA rules for air |
| Empty, uncleaned, previously regulated | Residue rules may apply | "Empty" is a regulatory term, not a visual one |
This is orientation, not legal advice. Your obligations depend on your material, quantity, mode and route. Check current regulations (49 CFR in the US) and confirm requirements with your carrier.
Common mistakes
- Shipping past the test date. A marking looks official, so nobody checks the dates. Track the test cycle for each unit.
- Assuming a replaced bottle keeps the old status. Ask what testing followed the replacement and get the record.
- Treating "empty" as a visual judgement. A container that held a regulated material may still be regulated until it is cleaned.
- Wrong packing group. The letter on the marking is a limit.
- No records. Without test records, it is hard to show a unit is in date.
And the over-specification mistake
Paying extra for UN-rated totes to store non-regulated liquid on your own site. UN marking is a transport matter; if you are not transporting a regulated material, you may not need it.
Questions people actually ask
Do I need a UN-marked IBC tote?
Generally only if you transport a regulated hazardous material in it. On-site storage and non-regulated liquids usually do not require one. Check current regulations for your material.
How often do IBC totes need retesting?
For UN IBCs in regulated service, generally a leakproofness test every 2.5 years and a periodic inspection every 5 years from the date of manufacture. Check current regulations for the details.
Who is responsible for compliance, the buyer or the seller?
Generally the shipper, the party offering the package for transport. A supplier can provide a container and its records, but shipping it correctly is the shipper’s job.
Can a reconditioned tote be UN-marked?
A reconditioned tote can remain in regulated service if its testing is kept current. Ask the supplier for the marking and test records, and confirm current requirements yourself.
Frameworks by transport mode
| Mode | Main framework | Notes |
|---|---|---|
| Road and rail, US | 49 CFR (Hazardous Materials Regulations) | Shipping papers, marking, labelling, training |
| Sea | IMDG Code | Additional stowage and documentation rules |
| Air | IATA Dangerous Goods Regulations | IBCs are rarely used for air |
| Road, Canada | TDG Regulations | Check current Canadian requirements |
| Within one site | Often outside transport rules | State, local and workplace rules may apply |
| Non-regulated liquids | Not applicable | Carrier rules still apply |
Orientation only. Check current regulations for your material and route, and confirm requirements with your carrier.
What generally sits with the shipper
A supplier can provide a suitable container. Making a compliant shipment is generally the shipper’s responsibility. The main areas are:
Classification. Whether the material is regulated, and its UN number, hazard class and packing group.
Packaging selection. A packaging authorised for that classification, within its test cycle, undamaged and correctly closed.
Filling limits. Respect the maximum gross mass on the marking. Dense products reach it before the brim.
Marking and labelling. UN number, proper shipping name and hazard labels as required.
Documentation and training. Shipping papers, emergency information, and training for the people involved.
Records. Test and inspection records for the packaging.
The practical summary
If that list feels heavy, the first question is whether your material is regulated at all. Check section 14 of the SDS, current regulations, and your carrier’s requirements.
More regulatory questions
Is there an exception for small quantities?
Limited-quantity provisions exist, but they are quantity- and packaging-specific and an IBC is rarely within them. Check the current rules for your material.
Do vehicles need placards?
Placarding depends on the material and quantity and is separate from package marking and labelling. Check current regulations and ask your carrier.
Can I ship a non-regulated liquid in a tote without a current UN test?
Generally yes. Carrier rules on securement and weight still apply.
Common materials and whether they are often regulated in transport
A first orientation only. Your SDS and the current regulations are what count.
| Product | Often regulated? | Practical effect |
|---|---|---|
| Water | No | No UN-marked packaging needed |
| Food syrups, edible oils | Generally no | Usually no UN-marked packaging needed |
| Detergents, surfactants | Depends on formulation | Check the SDS |
| Glycols | Usually no | Check the SDS |
| Hypochlorite solutions | Usually yes | UN-marked packaging likely required |
| Strong acids and caustics | Usually yes | UN-marked packaging likely required |
| Fuels and flammable liquids | Usually yes | UN-marked packaging likely required |
| Liquid fertilisers | Depends on formulation | Check the SDS |
| Oxidisers such as concentrated peroxide | Usually yes | UN-marked packaging and compatibility checks |
Orientation, not classification. Concentration and formulation change the answer. Section 14 of the SDS, current regulations and your carrier are the places to confirm.
More regulatory questions
Who classifies our material?
Generally the shipper, using the SDS and the current hazardous materials table, or a dangerous goods specialist if the answer is not obvious. A container supplier cannot classify your material for you.
Does the tote need to be marked as well as the shipment?
Yes, they are separate. The IBC carries its UN specification marking; the shipment needs its own marks and labels.
What about shipping empty, uncleaned totes?
A container that held a regulated material and has not been cleaned may still be regulated. Check current regulations before shipping.
Does this site offer compliance services?
No. This site passes quote requests for totes to partner suppliers. For compliance questions, check current regulations and ask your carrier or a qualified specialist.
Where people go from here
Reuse first, then recycle.