Intelligent Mail Package
The Intelligent Mail Package Barcode (IMPB) was developed for the use on mail in the United States. Bar codes of this symbology are used only for packages as opposed to Intelligent Mail bar codes, which are used for postcards, letters, and flats.
This bar code is capable of encoding package tracking information required for more efficient sorting and delivering of packages with the capability of piece-level tracking.
The following property is specific to the Intelligent Mail Package type and available in the Properties panel under the Symbology property:
FNC1 Functional Character
Specifies the symbol (or set of symbols) in the bar code text that will be replaced with the FNC1 functional character when the bar code's bars are drawn.