Bar codes on flat garments

Outer and inner bar codes data for hanging and flat products are the same. Exception is inner bar codes for shoes. The inner bar code for shoes consists of 10 digits instead of 8. First 8 digits as for GOH represent UPC of a product. The last two digits represent the left or the right pair of shoes. The right pair is represented as "02" and the left "01". In general, it would be good to scan both pairs of shoes on a POS machine before sale of that shoes, this action would prevent from chaos in a shoes departments of stores. In warehouse, scanning outer bar code of a product is enough. Scanning both inner bar codes of a pair of shoes will make checking process slower for warehouse staff but it is reasonable to scan both inner bar codes of a pair of shoes when it comes from a store.