Chinese USCC Validator
Validate Chinese Unified Social Credit Codes (USCC) in real time under GB 32100-2015.
Technical Validation of Chinese USCC
Validation checks Base 31 character constraints and verifies the weighted modulo 31 checksum over the 17 preceding characters.
Essential for testing ERP systems, e-invoicing (Fapiao), and supply chain integrations with Chinese suppliers.