Temporary Import and Export Customs Broker: Risk Control and Compliance Guide for Short-Term Cross-Border Goods Movement

Temporary Import and Export Customs Declaration: Far More Than Just "In and Out"

I am a customs consultant at Zhongshitong,based in Shanghai.I often receive inquiries from clients,such as Manager Xin from R&D centers or General Manager Bao from exhibition enterprises,who come to me with products and ask: "We need to take this testing instrument to an exhibition in Germany,and it will be back in half a year.Is customs declaration very simple?" My answer is usually the opposite: temporary import and export is probably the type of general trade with the most complex supervision and the most concentrated risks.

The core of temporary import and export lies in the word "temporary".Customs’ attitude towards such goods is: you are allowed to import or export temporarily,but you must ensure that the goods will be re-exported or re-imported in their original condition,and cannot be sold or disposed of locally.This derives a series of special supervision measures such as security deposit mortgage,ATA Carnet,and strict term management.Improper operation will lead to security deposit being converted into tax and confiscated in mild cases,and goods detained and corporate credit damaged in severe cases.

Let me talk about the inside knowledge of this business.You don’t need to memorize those complex provisions,but you must know several key logics.

Core Risks and Common Scenarios of Temporary Import and Export

First of all,we need to clarify what counts as "temporary".Common scenarios include: exhibits for overseas exhibitions,instruments and equipment for overseas testing,construction machinery temporarily entering and exiting the country,special items for shooting or competitions,etc.Their common characteristics are "non-sales purpose" and "planned re-transportation".

Risks are hidden in the details:

• Term risk: The temporary entry and exit period granted by customs is usually 6 months,extension can be applied for,but the maximum period is generally no more than 1 year.If the goods are not re-transported after expiration,the security deposit will be directly converted into tax,and the goods may be required to pay tax according to general trade or even be fined.
• Goods status risk: The goods must be "re-transported in original condition".Even if only one non-core component is replaced,it may be deemed by customs that the goods have undergone "substantial change",resulting in failure to be written off under temporary import and export rules.
• Document management risk: Temporary import and export involves two customs declarations for entry and exit,the documents must be logically consistent before and after,especially product name,specifications and quantity.One declaration negligence may lead to write-off failure.
• Exchange and capital risk: The security deposit paid is usually the full amount of cargo value plus tax,which occupies a large amount of capital.If foreign currency is involved,there is also exchange rate fluctuation risk.

ATA Carnet: Universal Pass or Sweet Trap?

When referring to temporary import and export,many people will think of ATA Carnet.It is known as the "cargo customs clearance passport",which indeed simplifies the procedures for temporary entry and exit in multiple countries,and exempts security deposit and customs duty.But its application has strict boundaries.

I handled a case before,a client,Supervisor Wan,took a batch of precision electronic components to an industry seminar in the United States,and used ATA Carnet.But he encountered trouble when writing off after returning to China.Because during the meeting,he conducted on-site function demonstration and parameter fine-tuning on some components as required by customers.Customs deemed that this exceeded the scope of "exhibits" and belonged to "use",requiring him to go through general trade import procedures and pay supplementary tax.

ATA Carnet is mainly applicable to specific purposes such as "exhibits","professional equipment","commercial samples",etc.In addition,when issuing the certificate in China,it is required to provide equivalent counter-guarantee to the China Council for the Promotion of International Trade.If the goods are not re-imported into the country as required abroad,the issuing agency will claim compensation from the guarantee chamber of commerce,and finally pursue the enterprise for compensation.Behind this is a complete set of international joint guarantee system,with very high breach cost.

Overseas Challenges: Destination Country Compliance is Another Tough Battle

Half of the difficulties of temporary export lie in China,and the other half lie in the destination port.Many enterprises only focus on Chinese customs,and ignore the access requirements of the destination country.

Destination Port Certification and Anti-dumping Early Warning

Even for temporary import,many countries have access requirements for specific commodities.For example,electronic and electrical equipment taken to the EU,although not for sale,still needs to meet CE marking requirements; products involving wireless communication function need RF certification.For chemical samples,MSDS is necessary for customs clearance,and EU’s chemical supervision requirements (such as REACH) are increasing in 2026.

A more hidden risk is anti-dumping duty.One of our clients,Mr.Wei,temporarily exported a batch of stainless steel fasteners to the United States for product matching testing.He thought temporary import does not involve tax.But when US Customs inspected,they determined that the commodity was within the scope of anti-dumping list.Despite the temporary nature,the US side still required to provide certificate of origin,and may impose temporary security deposit.Because US anti-dumping orders target the "import behavior" itself,not the end use.We intervened in advance,assisted the client to prepare sufficient evidence chain to prove that the batch of goods was of special model,not mass-produced,and attached strict return schedule,thus avoiding high security deposit.

Therefore,before the goods are shipped,it is necessary to conduct a "scan" of the current year’s trade barrier policies of the destination country.

Domestic Operation: HS Code,Valuation and Security Deposit Safety

Back to domestic customs declaration.The HS code classification of temporary import and export goods must be consistent with that of general trade,which is an iron rule.You cannot arbitrarily declare a code with low tax rate just because the goods are temporarily exported.Customs’ classification database is interconnected,and inconsistency will directly trigger control and inspection.

Valuation is another key point.Customs’ review of dutiable value of temporary entry and exit goods is mainly based on the value of the goods themselves.For leased or specially customized equipment,it is necessary to provide purchase invoices,lease contracts,third-party valuation reports and other supporting documents.We once assisted General Manager Cao,whose company temporarily exported a customized large-scale experimental cabin.We prepared detailed cost allocation description and technical value assessment report in advance,and submitted them together with the declaration,avoiding long-time port detention caused by customs’ price query.

As for security deposit,it is the capital cost that enterprises are most concerned about.At present,there are two main forms: cash security deposit and bank guarantee.Cash security deposit occupies cash flow,but the refund after write-off is relatively direct; bank guarantee does not occupy cash,but requires enterprises to have sufficient bank credit line and pay guarantee handling fee.The choice needs to comprehensively consider the value of goods,exit time,and enterprise’s capital status.Our role is to help you calculate this account clearly,and ensure all documents are complete,so that the security deposit can be recovered smoothly and quickly after the goods return safely.

Why Do You Need a Professional Agent?

Temporary import and export customs declaration is essentially a risk control intensive service.It tests the agency’s overall planning ability,detail control ability and emergency handling ability.

Zhongshitong is based in Shanghai,but our service network covers major ports across the country.This means that no matter your goods are exported from Shenzhen,Beijing or Shanghai,we can achieve unified standard operation and risk control through cross-regional declaration coordination.For global destinations,we rely on long-term agency network to obtain practical feedback from local customs brokers in advance,such as the inspection focus of ATA Carnet by customs of a certain country,or the change of work efficiency of a certain port during Ramadan.

Our value lies in turning the "accidents" you may encounter into "preplans".When you consider temporary import and export,you may as well ask yourself several questions first: Can the goods return 100% in original condition?Are there any special certification requirements in the destination country?Which form of security deposit has the lowest cost?If the re-transportation plan changes (for example,exhibits are favored by local buyers and want to be retained for purchase),how to connect the follow-up procedures?

Leave the sorting out of answers to these questions to us,so that you can focus more on business and technology itself.Temporary import and export is not a simple logistics link,it is a precise risk control rehearsal.Find the right partner,so that you can go out and come back smoothly.