1d-retail
GS1 DataBar Expanded (DataBar Expanded)
Variable-length linear barcode capable of encoding GTIN plus supplementary Application Identifiers such as variable net weight, batch/lot number, and expiry date.
Governing Specification: ISO/IEC 24724:2011 / GS1 General Specifications Section 5.6
Data Format & Required Fields
Encodes up to 74 numeric or 41 alphanumeric characters using multi-segment variable-length symbol structures with internal checksums.
Allowed Character SetGS1 Application Identifiers with numeric, alphanumeric, and weight/date fields.
Payload Length Rule Between 14 and 80 characters
Required GS1 Structure Encodes standardized GS1 Application Identifiers (AIs). Unit-level and master packaging require primary identification (e.g. GTIN-14 or SSCC-18) combined with variable batch and serialization attributes for supply chain verification.
Check Digit / Checksum Rule Requires a verified modulo-10 check digit to prevent scanner misreads and data transposition errors.
Example Valid Format
(01)00300012345671(10)LOT456Industry Guidance & Practical Applications
- Variable-weight fresh meat, poultry, and deli items in supermarkets
- Perishable foods with embedded expiration dates at retail POS
- Traceability labeling for organic produce and farm gate produce in India
Packaging & Scanning Notes: Mandatory standard for variable measure consumer goods sold by weight or count.
Symbol Constraints & Label Guidelines
- Symbol length varies dynamically based on encoded data payload.
- Requires POS scanners enabled for GS1 DataBar Expanded decoding.