China Unified Social Credit Code

Detects Mainland China Unified Social Credit Codes (统一社会信用代码) assigned to legal persons and other organisations. The code is 18 characters using a restricted alphabet (digits and selected letters excluding I, O, Z, S, V), with an embedded administrative division code in positions 3-8.

Type

regex

Engine

boost_regex

Confidence

high

Confidence justification

High confidence when Chinese or English registry keywords are present. Length plus restricted alphabet and fixed digit block make accidental matches uncommon.

Jurisdictions

cn

Regulations

PIPL (China), Cybersecurity Law (China)

Frameworks

ISO 27001, ISO 27701

Data categories

business-identifier, government-id

Scope

narrow

Risk rating

6

Platform compatibility

Purview: Compatible, GCP DLP: Compatible, Macie: Compatible, Zscaler: Compatible, Palo Alto: Compatible, Netskope: Compatible

Pattern

\b[0-9A-HJ-NPQRTUWXY]{2}\d{6}[0-9A-HJ-NPQRTUWXY]{10}\b

Corroborative evidence keywords

统一社会信用代码, USCC, social credit code, 统一代码, corporate number, マイナンバー, 法人, 法人番号, corporate identification, corporate my number, houjin bangou, my number, 会社法人等番号, 国税庁, 法人マイナンバー, 法人番号公表サイト

Proximity: 300 characters

Should match

• 91110000MA01234567 — Illustrative 18-char USCC shape
• 91310000MA1K3XXXXX — Alternate illustrative USCC
• 92110000MA0XXXXX1A — Third illustrative form

Should not match

• 91110000MA0123456 — Only 17 characters
• 91110000MA0123456I — Contains forbidden letter I
• 91A10000MA01234567 — Non-digit in administrative division block

Known false positives

• Other long alphanumeric registry codes using similar alphabets. Mitigation: Require 统一社会信用代码 / USCC / business licence keywords.

References

• National standards organisation - coding references

Collections

• Coverage Phase 1 Priority Identifiers