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Publication 91 - Confirmation Services Technical Guide

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<strong>Confirmation</strong> <strong>Services</strong> <strong>Technical</strong> <strong>Guide</strong><br />

Barcode Elements<br />

This section describes the individual data elements that comprise the various<br />

barcodes that may be used for Delivery <strong>Confirmation</strong> and Signature<br />

<strong>Confirmation</strong> services and all integrated barcode solutions. If UCC/EAN Code<br />

128 barcode symbology is used, a two-character Application Identifier (AI) is<br />

also required. A UCC/EAN Code 128 barcode contains a variable length<br />

sequential package ID. All other symbologies have a fixed length of 20<br />

characters. See Table G-1 for data elements.<br />

Table G-1<br />

Barcode Elements<br />

Data<br />

Application Identifier (UCC/EAN Code 128 only)<br />

Service Type Code — 2 digits<br />

Customer ID — 9-digit D-U-N-S Number<br />

Sequential Package ID — 8 digits<br />

(This field may vary in length up to 8 digits if the<br />

UCC/EAN Code 128 barcode symbology is used.)<br />

Check Digit — MOD 10<br />

Overhead<br />

Start Code<br />

Function One<br />

(UCC/EAN Code 128 only)<br />

MOD 103 (Code 128 only)<br />

Stop Code<br />

Start Code<br />

All barcodes must have a Start Code. USS Code 128 and UCC/EAN Code<br />

128 begin with a Start Code C. The start character is not shown in the<br />

human-readable presentation, nor is it manually keyed or transmitted.<br />

Function One<br />

The Function One (FNC1) numeric character for UCC/EAN Code 128 must<br />

follow the symbol start character and is part of the symbology overhead. The<br />

FNC1 is also used to concatenate successive UCC/EAN Code 128 barcode<br />

symbols and must precede an AI. The FNC1 character is not part of the<br />

human-readable character set, nor is it manually keyed or transmitted as<br />

data.<br />

Application Identifier<br />

This is a two-digit code within UCC/EAN Code 128 only for the Package<br />

Identification Code (PIC) and the electronic file number.<br />

The AI for confirmation services is <strong>91</strong> and must be shown as part of the<br />

human-readable printed data for the tracking barcode. If concatenation is<br />

used to include the package routing code (destination ZIP Code), then the AI<br />

of 420 must also be shown as part of the human-readable print for the routing<br />

78 <strong>Publication</strong> <strong>91</strong>, September 2002

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