One of a group of bar code symbologies able to capture information in a smaller space than the typical bar codes, the GS1 DataBar is currently being piloted in Canada and the U.S. The GS1 DataBar will be part of the PLU label used during the pilot and will be scanned by cashiers at the check out.
DataBar Implementation Guide
Guidance from Canadian Retailers on PLU/DataBar Labels
GS1 DataBar Overview
GS1 DataBar for Produce - How to create GTINs
GS1 DataBar Website
GS1 DataBar: Preparing for Item-Level Barcodes Presentation, 2007