Since the barcodes are coming ftom the manufacturer how you can make sure they are all unique? With you scan a product you need to make sure it’s unique
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When it comes to the 12 digits Universal Product Code (UPC) or its 13 digits EAN correspondent, there are companies that specialise in creating and selling unique number segments of the code.
Some of those digits are country or industry specific.
Let’s say company ACME has secured the right to generate all numbers between 020,000,000,001 and 020,999,999,999.
They are going to split those 1,999,999,999 numbers into smaller bulks.
Your company EMCA already has 12 products on catalogue, but you expect to create 36 new ones in the next ten years, you might as well buy 50 UPC codes in bulk, which will be unique to your company.
You might end up with numbers 021,234,567,825 to 021,234,567,875 for example. No other article from any other company will be using either of these.
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