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GB/T 45531-2025Guidelines for establishing single submission portal of international trade (English PDF)

国际贸易单一提交门户建立指南

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

April 25, 2025

Implementation date

August 1, 2025

Scope

GB/T 45531-2025 is the English-translated version of 国际贸易单一提交门户建立指南.

GB/T 45531-2025 is the Chinese national standard covering the single access point where a trader files transport, logistics and financial data once rather than once per counterparty — the relationship with the single window and the business-to-government exchange between them, the functions of the portal and the services it provides, the authorised economic operator among the parties it serves, and the factors that decide whether a port community or freight forwarding system can act as one. A single submission portal carries the business-to-business traffic and hands over to the single window for the government side, rather than replacing it. First edition, in force from 1 August 2025. Issued on 25 April 2025, it has been in force since 1 August 2025.

Document preview — GB/T 45531-2025

National Standard of the People's Republic of China

ICS
35.240.60
Classification
A 10

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

  • Foreword
  • Introduction
  • 1 Scope
  • 2 Normative references
  • 3 Terms and definitions
  • 3.1
  • 3.2 Single window singlewindow; SW
  • 3.3 [Source. GB/T 39458-2020, 2.22]
  • 4 Relationship between the Single Submission Portal and the Single Window

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting.

Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.

This document was proposed and coordinated by the National Technical Committee for Electronic Business Standardization (SAC/TC83).

This document was drafted by: China National Institute of Standardization, Chuzhou Xiduoduo Food Technology Co., Ltd., Zhejiang International Trade Digital Technology Co., Ltd., National Ports Administration Office, Xiamen Xiduoduo Food Sales Co., Ltd., Quzhou Suer Electromechanical Technology Co., Ltd., China Electronic Port Data Center, Zhejiang Yishu Paper Group Co., Ltd., Chongqing Changzu Feiyue Technology Co., Ltd., Anhui Quality and Standardization Research Institute, Hubei Huazhong Electric Power Technology Development Co., Ltd., Hubei Institute of Standardization and Quality, North China University of Technology, China University of Metrology, Fujian University of Technology School, Shenzhen Kunxin International Freight Forwarding Co., Ltd.

The main drafters of this document are: Zhang Yinfen, Zhou Jinping, Lian Yiwei, Zhang Ying, Shi Yuntao, Zhong Weiling, Ji Jing, Ye Xin, Jiang Chang, Wu Yan, Xie Qiuqi, Guo Penggang, Zhao Suhua, Qing Guiting, Wang Zhimin, Lin Zhong, Sui Yuan, Yao Shuhong.

Introduction

The Single Submission Portal (SSP) enables traders to communicate with governments and other parties in a unified format, including transportation, logistics, finance and other inter-enterprises.

It also facilitates small and medium-sized enterprises to submit transaction data, enhances their compatibility with the single window, and helps enterprises and governments save costs.

This document mainly refers to Recommendation No. 37, “Single A submission portal.

Guidelines for establishing a single submission portal for international trade

1 Scope

This document provides the relationship between the International Trade Single Submission Portal and the Single Window, their main functions, the services they provide, and the main factor.

This document is applicable to the construction of a single submission portal by China's international trade service providers, such as port community systems, cargo manifest automation systems, system, customs clearance management system, freight forwarding system, and comprehensive international trade service system for small and medium-sized enterprises.

2 Normative references

This document has no normative references.

3 Terms and definitions

The following terms and definitions apply to this document.

3.1

A single access point that allows traders to exchange information related to specific activities in a standard format with interested parties, including government agencies.

3.2 Single window singlewindow; SW

All parties involved in trade and transport submit standard information and documents that meet all import, export and transit regulatory requirements at a single registration point. A measure of proof.

Note. If it is an electronic message, all data only need to be submitted once.

[Source. GB/T 36597-2018, 2.1, modified]

3.3 [Source. GB/T 39458-2020, 2.22]

A party involved in the international transport of goods that has been approved by domestic customs agencies as meeting World Customs Organization or equivalent supply chain security standards.

Note. AEOs may include manufacturers, importers, exporters, brokers, carriers, aggregators, middlemen, ports, airports, terminal operators, integrated operators, Warehouses, distributors and freight forwarders. AEO operates within the WCOSAFE standard framework.

4 Relationship between the Single Submission Portal and the Single Window

The Single Submission Portal (SSP) covers business-to-business (B2B) processes such as contracting for transport, logistics and financial services.

Users can usually cooperate with a single window (SW) or carry out business-to-government (B2G) information exchange within the scope of a single window to further serve trade.

The single submission portal and the single window should exchange information through B2G, and establish a interconnected.

Figure 1 shows the difference between a single window and a single submission portal. The single window provides information exchange for B2G, G2B and G2G transactions.

The single submission portal provides services for B2B transactions, as well as B2G and G2B transactions.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Editions of GB/T 45531

EditionTitleRevisionStatus
GB/T 45531-2025Guidelines for establishing single submission portal of international tradecurrent editionCurrent

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