yes, You can sell without a product code but you need exemption for that which is quite a long process…

yes, you should have same Barcode for every copy of the same book printed. however each different book title or…

ISBN is the unique identifiers to sell your books online. it is completely different from EAN even it has 13…

Yes, but you need exemption from them However, you must have UPC or EAN number to sell at Walmart or…