Disclaimer

This site provides general educational information about identifiers, barcode symbols, RFID and related data-capture concepts.

It does not issue, license, register, certify or verify ownership of official identifiers. A mathematically valid check digit does not establish that a number is legitimate or assigned to the party using it.

Barcode readability depends on symbol construction, printing, materials, placement, scanners, software and the actual operating environment. Direct part marking and RFID can involve engineering, materials, radio-frequency and sector-specific requirements. Consult current official standards and qualified professionals before production deployment.