Barcode Glossary - N

Narrow Bar / NON-PLU / Number System Code
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Narrow Bar

The thinner of the two bars in binary level barcode.
(See Wide Bar)

NON PLU

This refers to products, often fresh food products, where the price is not looked up by the register/computer at the time of sale but rather, the price is obtained directly from the bar code.
(See PLU)

Number System Code

The first digit of UPC, is called number system (NS) code.

NS = 0,6,7 code for source marking of foods and sundries, administered by UCC.
For the product exported to U.S. must have its own UPC maker code in this NS, and to be source marked.
NS = 2 NON-PLU attached to instore marking like measured-out products, etc.
NS = 3 Administered by FDA (Food and Drug Administration). Used for NCD (National Drug Code) and HIR (Health Related Item Code).
NS = 4 For instore codes attached to sundries which cannot be source marked.
NS = 5 This is used for coupons.