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USPS Customs Barcode Help


We have the requirements to make a Custom’s Barcode, as defined in section 7 (UPU Identifier) of the US Post Office (USPS) documentation, Guidelines for Privately Printed Customs Declaration Forms.

Our barcode data needs to be Code 128 in the specified format (click to enlarge the image):
image

Using an example from the specification, we want to encode the following (Code 128 subsets in { }):

{B}LM1{C}23456785{B}US

How do we do this?

Operating System: Windows

Application: Code 128 Fonts or Components

01-19-17     7.1 year(s) ago    

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James

Best Answer


[Support Note: IDAutomation provides functions that encode the start, mod103, and stop characters efficiently, so we need to only deal with the data itself.]


General Recommended Way (produces efficient barcode at the least amount of effort):

Using the Code 128 ‘Auto Function’*, set the DataToEncode to LM123456785US.

The effect is a barcode with the proper subset shift characters encoded (start at B, shift to C, then shift back to B):

<B>LM1<C>23456785<B>US

As long as the same data pattern is followed (according to the specifications in the question), the subset encoding has been tested to be consistently (and correctly) encoded.


Barcode:
image

* Refer to the respective manual – the Auto function is the Code 128 function that does not have an A, B, or C in the name.

Applies To Various Code 128 Products:
Barcode Fonts
Barcodes Graphics Software


Posted 7.1 year(s) ago

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