---
title: "How long does a professional import customs clearance agent usually take to complete the entire customs declaration process?"
description: "A cross-border maternal and infant products importer suffered store stockouts and paid liquidated damages due to a previous customs declaration agent delay，and is eager to catch the 618 restocking window，consulting about the customs clearance agent&#039;s declaration timeliness and guarantee measures. A professional agent completes customs clearance within 1-3 days under normal circumstances through dual pre-review of documents，advance declaration at core nodes and contingency plan for abnormal situa..."
url: "https://www.sh-zhongshen.com/en/qa/import-customs-clearance-procedure-duration-full-cycle.html"
language: "en"
type: "Q&A"
category: "Customs Declaration Q&A"
datePublished: "2026-10-15"
dateModified: "2026-10-15"
brand: "Zhongshen Trading China"
answerCount: 10
---

# How long does a professional import customs clearance agent usually take to complete the entire customs declaration process?

## Question

 I am a cross-border maternal and infant products importer based in Shanghai. I booked a batch of infant formula from Germany last week, which will take a direct sailing from Hamburg to Shanghai Yangshan Port, with an estimated arrival date next Friday. The customs declaration agent I hired last month took 12 days to complete the process, resulting in stockouts at all 17 of our offline stores. I not only paid 50,000 yuan in liquidated damages to the headquarters but also lost 3 major clients. Now I am so anxious to catch the 618 restocking window that I can't sleep every day. I want to consult Zhongshen about the normal full-process duration of import customs clearance agent declaration, how long the delay will be if encountering abnormal situations like customs inspection and document issues, and whether there are any timeliness-locking guarantee measures available. 

## Answers
                            
### Answer 1 — Best Answer

We will first launch the pre-review process for documents. You need to submit the full set of customs declaration documents for infant formula 3-5 days in advance，including certificate of origin，official health certificate，domestic formula registration certificate，packing list and others. We adopt a dual review mechanism combining AI system and senior customs declarers，**completing document compliance verification 3 days in advance**，to eliminate timeliness delays caused by document errors or omissions at the source.

For core node coordination，we will complete advance declaration via the Customs Single Window 24 hours before the ship arrives，within 4 hours after arrival，we will simultaneously complete manifest confirmation and electronic release review. Under normal compliance conditions，maternal and infant daily necessities can enjoy the Yangshan Port Customs green channel，**completing the entire customs clearance process and release in as fast as 1 day**，with the regular timeliness controlled within 3 working days.

We have a complete contingency plan for abnormal situations: if encountering routine customs inspection，our on-site specialist stationed at Yangshan Port will cooperate to complete container unpacking and sampling within 24 hours，and release can be completed within 1-2 days，if document correction is required，the dedicated liaison group will issue a standardized correction template within 1 hour，with the overall delay not exceeding 2 days.

We can also sign a timeliness guarantee agreement with you. If customs clearance delay is caused by our operational mistakes，we will compensate at 120% of the actual demurrage fees incurred，to ensure that your 618 restocking window is not affected.

**status:** accepted
**Author:** Cindy Chen
**Date:** 2026-10-15

### Answer 2

Price review disputes during the customs declaration process will directly affect timeliness. The transaction price of infant formula shall include miscellaneous expenses such as international transportation fees and insurance premiums. If the customs has doubts about the declared price, it will initiate a price consultation process, which usually takes 3-5 days to complete.

It is recommended to prepare complete supporting documents such as payment vouchers, trade contracts and manufacturer cost details in advance, and declare through the customs clearance integration mode without transferring to the local customs, which can reduce time loss caused by cross-departmental coordination. At the same time, you can submit a pre-classification application to the customs in advance to confirm the commodity code, avoiding order cancellation and re-declaration caused by incorrect classification, which will delay at least 2-3 working days.

**status:** suggested
**Author:** Lucas Liu
**Date:** 2026-10-15

### Answer 3

After the direct sailing ship arrives at Yangshan Port, the free storage period at the terminal is 7 days. If the customs clearance delay exceeds the free storage period, demurrage fees of 150-200 yuan per container per day will be incurred, and for refrigerated containers, an additional refrigeration fee of 300-500 yuan per container per day will be charged. It is recommended to connect to the terminal through the EDI system in advance to track the arrival dynamics of the manifest in real time, and complete the container pickup reservation 24 hours before the ship arrives.

In case of terminal overbooking, you can apply to berth at Yangshan Port Phase IV automated terminal, whose container pickup and release efficiency is twice that of ordinary terminals, which can effectively reduce the time loss of the container pickup process by 1-2 days. At the same time, you can apply to the shipping company for an extension of the free storage period to 10 days to avoid additional costs caused by slight customs clearance delays.

**status:** suggested
**Author:** Kevin Lin
**Date:** 2026-10-15

### Answer 4

Adopting the import value-added tax (VAT) deferred declaration mode can effectively shorten customs clearance timeliness by 1-2 days. In the conventional customs clearance process, enterprises need to pay import VAT after declaration, and can only get release after the customs confirms the tax payment, which usually takes 1-2 working days. Under the VAT deferred mode, enterprises do not need to pay import VAT during customs clearance, and can complete release directly with the deferred declaration voucher, skipping the tax payment confirmation link.

However, three conditions must be met: the enterprise has legal import and export operation rights, the customs credit rating is Class A or above, and the imported goods belong to the deferred eligible categories (infant formula meets the requirements as a daily necessity). At the same time, VAT deferral can also ease the enterprise's capital pressure by delaying the tax payment deadline to the VAT declaration period.

**status:** suggested
**Author:** Michael Zhang
**Date:** 2026-10-15

### Answer 5

The compliance of payment and receipt vouchers will directly affect the customs' determination of trade authenticity. If the vouchers are non-standard, the customs will initiate trade authenticity verification, resulting in detention for 5-7 days. It is recommended to use the CIPS RMB cross-border payment channel for payment settlement.

The message information of the CIPS system includes complete core data such as trade contract number, goods name and amount, which can directly connect to the Customs Single Window. The customs can verify the authenticity of payment and receipt vouchers in real time without requiring enterprises to submit additional paper documents. At the same time, uploading payment vouchers to the pre-review module of the Customs Single Window in advance can help complete authenticity verification within 12 hours, avoiding customs clearance delays caused by suspected trade authenticity at the source.

**status:** suggested
**Author:** Andy Guo
**Date:** 2026-10-15

### Answer 6

The standardization of the forwarder's bill of lading endorsement directly affects the efficiency of title transfer. If the endorsement is non-continuous or non-compliant, it will prevent container pickup and cause a delay of 2-3 days. It is recommended to use the telex release bill of lading mode, which does not require waiting for the paper bill of lading to be delivered, and can complete title transfer before the ship arrives. At the same time, issue an irrevocable pickup guarantee in advance.

If temporary problems such as endorsement defects occur, you can directly handle the container pickup procedures with the guarantee. In addition, the service contract signed with the agent should clearly specify the "customs clearance delay compensation clause", agreeing that if the customs clearance delay is caused by the agent's operational mistakes, liquidated damages will be paid at 0.5% of the goods value per day, with a maximum compensation of 10% of the goods value, so as to constrain the agent's timeliness control responsibility.

**status:** suggested
**Author:** Victor Sun
**Date:** 2026-10-15

### Answer 7

As imported food goods, infant formula has a routine customs inspection rate of about 15%. Routine inspections mainly verify information such as goods name, quantity and Chinese labels, and release can be completed within 1-2 days. If the customs conducts sampling and inspection, it usually takes 7-10 days to obtain the inspection report, resulting in customs clearance delay. It is recommended to complete the Chinese label filing in advance.

The label should clearly mark core information such as formula registration number, nutrition label, country of origin and production batch number, avoiding secondary inspection caused by non-compliant labels. During on-site inspection, the stationed specialist will arrive 1 hour in advance to assist the customs in sampling and sealing. If urgent inspection is required, you can apply through the customs green channel, and obtain the inspection report within 3-5 days, greatly shortening the delay time of the inspection link.

**status:** suggested
**Author:** Grace Wang
**Date:** 2026-10-15

### Answer 8

Infant formula is a fragile food. If the packaging does not meet customs and transportation specifications, you will be required to repack, causing a delay of 1-2 days.

It is recommended to use vacuum nitrogen-filled packaging, which not only ensures the freshness of the formula but also effectively prevents damage to fragile cans. At the same time, clearly mark "fragile" and "imported food goods" on the outer box to facilitate quick identification by the customs.

Submit the MSDS report of the packaging material in advance, which should clearly specify parameters such as the composition, environmental protection grade and impact resistance of the packaging material, avoiding detention caused by non-compliant packaging materials with environmental protection requirements. In addition, place buffer air columns in the container and fill pearl cotton between each can of formula to prevent damage to goods during transportation, reduce cargo damage disputes during inspection, and further ensure customs clearance timeliness.

**status:** suggested
**Author:** Daniel Xu
**Date:** 2026-10-15

### Answer 9

If the imported infant formula is subsequently sold domestically, the compliance of the import VAT voucher will directly affect the subsequent VAT deduction, and will also indirectly affect customs clearance timeliness. In conventional customs clearance, if the commodity code and amount on the import VAT voucher are inconsistent with the customs declaration form, it will lead to inability to deduct taxes, and may also arouse the customs' suspicion of declaration authenticity, causing a delay of 1-2 days.

If the goods fall into the category of bonded goods transferred to domestic sales, the bonded write-off procedures must be completed 7 days before the ship arrives, otherwise, the customs will require the payment of margin during customs clearance, increasing the approval time by 1-2 days. It is recommended to compare the pre-declaration information of the import VAT voucher with the customs declaration form in advance to ensure data consistency; for bonded goods transferred to domestic sales, complete the pre-review of bonded write-off in advance to avoid customs clearance delays caused by untimely write-off.

**status:** suggested
**Author:** Jason Wu
**Date:** 2026-10-15

### Answer 10

From the perspective of supply chain planning, adopting the CIF trade term can directly control freight forwarder resources, synchronize core information such as shipping schedule and manifest, and start customs clearance preparation 10 days in advance, linking customs clearance timeliness with store restocking plans. It is recommended to adopt the JIT inventory linkage strategy, accurately calculate the customs clearance completion time based on the real-time restocking needs of the 17 offline stores, and ensure that goods are directly delivered to the store warehouse after release, avoiding inventory overstock or stockouts.

At the same time, include customs clearance timeliness into supply chain assessment indicators, sign a service agreement with the agent with timeliness binding, clarify the timeliness requirements of each node, such as manifest confirmation must be completed within 4 hours after arrival, and document review must be completed 3 days before arrival, so as to force the agent to control timeliness and ensure the smooth completion of the 618 restocking window.

**status:** suggested
**Author:** Linda Gao
**Date:** 2026-10-15

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