PDF .NET Library Documentation - PDF Technologies, Inc.
UspsSackLabel barcode class.

Namespace:  PDFTech.Barcodes.Barcode1D
Assembly:  PDFTechLib (in PDFTechLib.dll) Version: (


public class UspsSackLabel : UspsTrayLabel
Visual Basic (Declaration)
Public Class UspsSackLabel _
	Inherits UspsTrayLabel
Visual C++
public ref class UspsSackLabel : public UspsTrayLabel


Sack Label is used by United States Postal Services (USPS) for:
  • labeling of postal sacks,
  • automation rate mailings,
  • periodicals and standard mail (letter size and flat size pieces).

It contains the "ZIP code" of the receiver and a "Content Identifier Number". The value to encode length is fixed to 8 digits and it must have the following structure:

  • 5 digits for "ZIP code" (express, priority, first-class, periodicals, standard, package)
  • 3 digits for "Content Identifier Number" [CIN] (mailing class, presorting, automation process sack)

Inheritance Hierarchy

See Also