GB11643-1999
Citizen identification number
公民身份号码
GB 11643-1999 is a current mandatory Chinese national standard for Citizen identification number. It appears in the Electronics compliance cluster with a electrical safety focus and has an implementation date of Jul 1, 1999.
Applicability depends on product scope, certification route, competent authority notices and transition rules. Requst for the translation or verify source before using this record in a compliance decision.
Compliance overview
Scope and applicability
This standard applies to the assignment of a unique, unchanging legal number to citizens of the People's Republic of China. It defines the coding object, structure, and representation format for the citizen identification number. This standard is mandatory for all systems processing Chinese citizen ID data. It replaces the previous GB 11643-1989 standard.
Technical requirements
The standard specifies an 18-digit feature combination code consisting of a 17-digit master number and a 1-digit check number. The structure is divided into four segments: a 6-digit address code representing the administrative division, an 8-digit birth date code formatted as YYYYMMDD, a 3-digit sequence code where odd numbers are assigned to males and even numbers to females, and a 1-digit check code. System developers must ensure the full 18-digit structure is implemented without spaces. The address code must comply with GB/T 2260, and the birth date code must comply with GB/T 7408.
Testing methods
The standard outlines the validation method using the ISO 7064:1983, MOD 11-2 check code system. It provides a specific mathematical formula and a table of weighting factors to calculate the check digit. Developers must implement this exact algorithm to validate the accuracy of ID number entry or transcription. If the calculated check digit is 10, it is represented by the Roman numeral X.
FAQs
What is the structure of the citizen identification number under GB 11643-1999?
It is an 18-digit code comprising a 6-digit address code, 8-digit birth date code, 3-digit sequence code, and 1-digit check code.
How is the check code calculated in GB 11643-1999?
The check code is calculated using the ISO 7064:1983, MOD 11-2 system, applying specific weighting factors to the first 17 digits and taking the modulo 11.
Does GB 11643-1999 replace any previous standards?
Yes, it replaces GB 11643-1989, expanding the birth date code from 6 to 8 digits and introducing the check code calculation.
The summary above provides a high-level overview of GB 11643-1999. To ensure complete compliance for your database systems or applications handling Chinese citizen data, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 11643-1999 today to access all detailed formulas, weighting factor tables, and calculation procedures.
Applicability hints
- Type
- Foundational
- CCS
- A24
- ICS
- 35.040
- Competent department
- State Administration for Market Regulation
- Technical committee
- China National Institute of Standardization
Relationships
Replaces:GB 11643-1989