Last, Linear barcode, one-dimensional, is the third identification technology available.

Similarly the Datamatrix, the bar code can be printed on the box or on a label stuck for later.

Despite the limitation in the size / capacity information, identification technology pioneered, has the advantage of the widespread and extensive use of its readers at every link in the chain.

Complementary to barcode, Some solutions have a unique numerical code, oculto tras un material scratch off, to enable source validation and traceability.