
Public Security Bureau Registration Rules for Chinese Corporate Seals
PSB seal recordation binds corporate authority through a 13-digit code, overriding signatures unless fraudulent creation meets explicit civil code standards.
Centralized digital archives maintained by the Ministry of Public Security store the registration data and high-resolution images of every official corporate stamp in the People’s Republic of China. The national seal management database acts as the single source of truth for verifying the legitimacy of the chops used by millions of enterprises. This system links the 13-digit seal code found on a physical stamp to the specific business license and legal representative of the corporation.
It allows for the instantaneous cross-referencing of seal impressions across different provinces, which is vital for preventing fraud in cross-regional trade. The database contains the history of every seal associated with a company, including those that have been replaced or cancelled. It applies to all registered commercial and non-commercial organizations that are required by law to have an official seal.
The database stops applying to personal chops that are not registered for use in a corporate capacity.
Connectivity between local police stations and the central registry ensures that a seal carved in one city is immediately visible to authorities in another. For the national seal management database, the integration begins at the point of manufacture in a licensed carving shop. As soon as the shop receives an order, it must upload the proposed design and the assigned 13-digit code to the provincial node of the network.
Once the police approve the design, the data is pushed to the national level where it becomes accessible to all authorized users. This real-time update capability prevents the use of a “ghost” seal that might be valid in one locality but unknown in another. Banks and other financial institutions connect to this database through secure gateways to perform the mandatory verification of seals during the opening of corporate accounts.
Automated monitoring of the registry allows the government to track the frequency of seal replacements and identify patterns that might indicate illegal activity. The national seal management database generates alerts when a company attempts to register multiple seals of the same type without a valid reason. It also tracks the performance of the licensed carving shops to ensure they are following the technical standards for engraving and data submission.
During a corporate audit or a criminal investigation, the police use the database to trace the lineage of a specific seal impression found on a suspicious document. This traceability is a cornerstone of the administrative control over the corporate identity in China. By providing a complete record of every official stamp, the system reduces the risk of identity theft and helps maintain the integrity of the commercial credit system.
Protection of the sensitive information stored in the registry is a high priority for the administrative authorities who manage the system. The national seal management database is hosted on a secure government network that is isolated from the public internet to prevent unauthorized access and data breaches. Only authorized personnel with the appropriate security clearance can view the high-resolution scans of the seal impressions.
Every search and data entry is logged to create a permanent record of who accessed the information and for what purpose. Encryption is used to protect the data both at rest and during transmission to ensure that the images cannot be intercepted or altered by hackers. This security infrastructure is necessary to maintain the trust of the business community and the legal system.
If the database were compromised, the entire system of corporate authentication in the country would be at risk. This centralized and secure approach is what allows for the reliable execution of millions of sealed contracts every day.

PSB seal recordation binds corporate authority through a 13-digit code, overriding signatures unless fraudulent creation meets explicit civil code standards.
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