How to create SSCC-18 Barcodes
The SSCC is often encoded in a barcode, generally GS1-128. The SSCC comprises an extension digit, a GS1 company prefix, a serial reference, and a check digit. It is all numeric. 
To create a SSCC-18:
1. add a GS1-128 barcode object to your label, or change the type of the existing barcode object to  GS1-128 
 
2. add the barcode data, say,  (00)001234560000000018 (sample data from www.gs1-128.info/sscc-18/) 
3. The barcode is ready: 
