Equipment that leaves a facility for a trade show, a clinical evaluation or a demonstration is still equipment crossing a border, and the assumption that it will come back is not a customs procedure. The consignment that causes the most difficulty is not the one that cannot be imported; it is the one that was admitted temporarily, was then sold at the event, and had no procedure in place to convert it into a permanent import. This guide sets out what a temporary import has to produce, who owns each step and where the process breaks.
What This Process Has to Produce
The output is a documented right to bring goods in without paying duty and tax, together with a documented obligation to remove them again within a defined period. That means three results: identification of the goods at entry so that the same goods can be matched at exit, a security or guarantee arrangement where the procedure requires one, and a scheduled exit that somebody is accountable for.
The third result is the one that is most often missing, because a temporary import generates no invoice and therefore no obvious trigger for action. An admitted consignment that is not removed within the permitted period becomes a permanent import with duty, tax and penalties attached, and by then the goods may have been sold, consumed or dispersed across a facility.
| Output | What it establishes | Evidence |
|---|---|---|
| Goods identification schedule | That the goods leaving are the goods admitted | Itemised list with model and serial numbers, photographs |
| Admission documentation | The right to import temporarily without duty | Carnet or temporary admission declaration, with the procedure named |
| Security or guarantee where required | The authority’s protection if the goods are not re-exported | Guarantee document or carnet itself |
| Exit schedule with a named owner | That somebody is accountable for removal | Diary entry, allocation of responsibility, reminder process |
Who Owns Each Step
Temporary movements fail because responsibility sits between functions. The commercial team owns the event and therefore the equipment list. The logistics provider owns the customs procedure. Finance owns the guarantee. Nobody owns the removal date, and that is precisely the step where cost accumulates.
The exporter should own the goods identification schedule, because it is the only document that allows an authority to match what went out with what came back, and any change in the kit list during the event has to be reflected. The forwarder or broker owns the procedure and the entry formalities. The event organiser or host is relevant where the venue provides its own customs arrangements, and the buyer or distributor takes on obligations if any item is sold rather than returned. Where equipment is admitted for evaluation by a clinical team, the receiving facility owns the physical custody and therefore the practical obligation to keep the goods identifiable.
Assigning the removal date to a named person rather than to a function is the single change that prevents most temporary import losses, because a date without an owner is a date that is discovered rather than managed. The practical pattern that works is to treat the admission the same way as a calibration interval: an entry in a register, a reminder at a defined point before the deadline, and a confirmation that the goods can physically be produced when it is time to remove them. Where the same kit moves between events, the register entry should follow the equipment rather than the event, so that a valid admission is not allowed to expire while the items are in storage between two exhibitions.
The Sequence and Its Dependencies
A temporary movement runs on a fixed clock, and every step has to be completed before the clock is started rather than while it is running.
1. Confirm the procedure: determine whether a carnet or a national temporary admission procedure is available and acceptable for the equipment and the destination. 2. Build the goods schedule: itemise every component, noting model and serial numbers, because a schedule that lists ”demonstration kit” cannot be reconciled at exit. 3. Arrange the guarantee or carnet and check validity dates against the actual event timetable, including setup and teardown. 4. Import under the procedure and record the admission date, so the exit deadline is known rather than assumed. 5. Track changes during the event: any item consumed, sold, given away or damaged beyond re-export has to be dealt with as a separate customs event. 6. Prepare the exit before the deadline, allowing for the fact that removal requires the goods to be physically present and identifiable. 7. Obtain discharge evidence: the record showing the goods were re-exported and the procedure closed.
The dependency that causes the most loss is the fifth step. A demonstration kit that shrinks during an event produces a discrepancy at exit, and the discrepancy is treated as goods that were not re-exported, with duty and tax following. Recording a consumption or sale as it happens is far cheaper than reconciling it afterwards.

Documents Generated Along the Way
The document set for a temporary movement is smaller than for a sale but more exposed, because there is no invoice to fall back on. Each item in the list below exists to close a specific gap in the exit reconciliation.
| Document | Minimum content | Why it matters at exit |
|---|---|---|
| Goods identification schedule | Itemised models, serial numbers, quantities, photographs | The basis for matching import and export |
| Carnet or temporary admission declaration | Procedure named, validity dates, goods described | The authority’s record of what was admitted |
| Security or guarantee document | Amount, provider, conditions of release | Determines the financial exposure if the goods overstay |
| Change record during the event | Items sold, consumed, transferred or damaged, with dates | Converts an unexplained shortfall into a documented event |
| Exit declaration and discharge evidence | Re-export date, goods matched, procedure closed | Releases the guarantee and closes the file |
| Retention record | Photographs, schedules and discharge evidence kept together | Supports a later review or a repeat movement |
Where the Process Usually Breaks

Six failures account for most temporary import losses, and all six are visible before the goods leave. The pattern is consistent enough that a checklist applied at the packing stage prevents most of them.
- The goods schedule is written at kit level rather than item level, so the exit declaration cannot match the entry.
- The validity period is set to the event dates while setup and teardown sit outside it, leaving the equipment unadmitted on the days it is being installed or removed.
- Components are consumed, discarded or given away during the event without any record, producing a shortfall at exit.
- The equipment is sold at the event without converting the procedure, so duty and tax arise on goods that are no longer in the country in their original form.
- Nobody is accountable for the removal date, and the deadline passes while the equipment sits in a store room.
- The discharge evidence is never obtained, so the guarantee remains open and the file stays live long after the goods have returned.
Handling Exceptions and Partial Failures
Exceptions are normal at events, and the practical discipline is to treat each one as a customs event rather than as an operational detail. Where an item is sold, the sale should be handled as a conversion to permanent import or as a separate export and re-import, and the decision about which route to use depends on the destination’s rules rather than on convenience.
Where an item is damaged beyond economic repair, the loss still has to be documented and the procedure closed properly rather than left open. Where the equipment cannot return before the deadline because the demonstration is extended, the extension should be sought in advance, because an overstay that is already in progress is treated as a breach rather than as an administrative adjustment. Where the consignment includes single-use items such as probes, trocars or sterile sets, the buyer and the exhibitor are responsible for confirming legality, labelling and reprocessing status in the country of admission, and items that cannot be lawfully supplied in that market should not form part of the demonstration kit at all.
One further exception deserves its own answer because it appears in almost every event: consumables used during a demonstration. Where the demonstration consumes a single-use item, or where an item is discarded because it was opened for demonstration purposes, the goods admitted no longer exist in the form in which they were declared. The clean way to handle this is to record consumption as it happens and to identify those items in the change record, so that the exit declaration can account for them explicitly rather than presenting a shortfall that the authority has to interpret.
What to Record for Audit and Resale
A temporary movement produces a record that is worth keeping for two reasons: it proves the guarantee was released, and it demonstrates a clean customs history when the equipment is later sold. Equipment that has travelled on demonstration duty repeatedly is frequently described in listings as having limited use, and the movement record is what supports that description.
Keep the goods schedule, the admission documentation, the change record, the exit declaration and the discharge evidence together under the asset identifier, and note which items were sold or disposed of on which date. Where the same kit is used at multiple events, a standard schedule that is updated rather than rewritten reduces both preparation time and error. Buyers who are offered demonstration equipment should ask for the movement record, because it establishes where the unit has been and how often it has been handled, and it is a useful complement to the service history.
There is a resale angle that is worth stating plainly. Equipment that has travelled repeatedly under temporary admission has been packed, unpacked, handled and displayed more often than its hours of clinical use would suggest, and that handling history is a condition factor rather than a compliance detail. A seller who can produce the movement record is describing the equipment more completely than one who offers only a service history, and a buyer who receives it can factor the handling into the inspection plan. Retaining the file is therefore a commercial asset as well as a compliance obligation.
Buyers and exhibitors who want the wider context can start from the knowledge hub, see how equipment is described and offered on the marketplace store, or use the cross-device method material in the industry hub. Our medical equipment import documents checklist covers the permanent-import file that a converted temporary movement has to satisfy.
Temporary admission sits inside the broader framework of simplified customs procedures, which the World Customs Organization’s Revised Kyoto Convention describes, and goods are described for that purpose under the harmonised commodity description system. Practical national requirements are summarised in country guides such as those published by trade.gov, and the entry process itself is illustrated by the US Customs and Border Protection import guidance. The commercial terms that determine who bears the cost of an overstay are the ones described in the ICC Incoterms rules, and where equipment or residues fall under waste controls, the Basel Convention framework governs transboundary movement.
Moving equipment on temporary admission for a demonstration or evaluation? Send the goods schedule, the destination and the event dates and we will check whether the procedure, the validity window and the change records line up.
FAQ
Can an ATA Carnet be used for medical equipment?
Carnets are used for medical equipment in demonstration, exhibition and evaluation contexts, subject to the rules of the countries involved and to the goods being eligible for the procedure. Because acceptance is not automatic in every market and the goods have to be identifiable at exit, the eligibility of the specific equipment and destination should be confirmed before the consignment is prepared. Where a carnet cannot be used, a national temporary admission procedure may still be available.
What is an ATA Carnet?
It is an international customs document that allows goods to be admitted temporarily without payment of duty and tax, and without a separate national guarantee in each country, provided the goods are re-exported within the validity period. It covers the goods described in it, so the description has to be itemised. It is a customs facilitation rather than a licence, and it does not change any requirement that applies to the device itself in the country of admission.
What happens if a temporary import overstays?
The goods are treated as having been imported permanently and not declared, which generally means duty and tax become payable, together with penalties, and the guarantee may be called. The financial exposure is calculated on the goods as described in the admission documentation, not on their condition. The remedy is to regularise the position through the customs authority as soon as the overstay is identified, which is why the exit date needs a named owner.
Can demonstration equipment be sold at a trade show?
It can, but the sale is a separate customs event and the temporary procedure has to be converted or closed properly. Selling goods that are under a temporary admission procedure without doing so leaves an unresolved liability that persists after the event. The correct route depends on the destination market, so the decision should be taken with a broker before the sale is agreed rather than afterwards.
How long can equipment stay on temporary admission?
The permitted period depends on the procedure used and on the market, and it is stated on the admission documentation or carnet. It is not open-ended, and it is not automatically aligned with the event dates. Because setup and teardown can fall outside a short validity window, the period should be checked against the full movement schedule rather than only against the exhibition days.
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