All cartons/ cases/ carcases that are slaughtered/ packed or received by you must have a meat industry GS1 compliant barcode.
Click here to open a PDF showing the bar coding requirements: Technical Fact Sheet - Variable Weight Carton Label
For more information on cartons/ cases/ carcases GS1 labelling requirements refer to the GS1 web site: GS1 Australia and the AUS-MEAT web site: AUS-MEAT.