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Publication 91 - Confirmation Services Technical Guide

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Electronic Rate Qualifications<br />

used, it must correspond with a Detail Record 1 and must follow the<br />

associated Detail Record 1 within the electronic file — for example, Header,<br />

D1 D2, D1 D2, etc.<br />

The Postal Service planned ahead to make it easier to incorporate future<br />

uses and to help avoid major modifications as new products or services are<br />

added to the Postal Service Product Tracking System. In the design of the<br />

electronic file layout, the new fields will be used for the current services and<br />

prospective programs, such as bulk insurance, Express Mail Manifesting,<br />

international mail, and postage manifesting.<br />

See “Shipping Partners, Fulfillment Operations, and Multiple Shipping Sites”<br />

at the end of this section for specific requirements for third parties preparing<br />

mail or barcoded labels or transmitting the electronic file for customers.<br />

Header Record<br />

The Header Record contains information pertaining to the mailer and a<br />

specific mailing, such as the date and time of mailing, and a unique electronic<br />

file number for that mailing. The unique electronic file number must remain<br />

unique for a period of 12 months in all electronic files for Delivery<br />

<strong>Confirmation</strong> service, Signature <strong>Confirmation</strong> service, Express Mail<br />

Manifesting, etc. The electronic file number in the Header Record uses your<br />

D-U-N-S Number to identify your company. A specific Service Type Code<br />

(STC) has been established for the Electronic File Number field of the<br />

Header Record (STC 50).<br />

Detail Record 1<br />

Detail Record 1 contains information specific to<br />

each piece in the mailing. This includes a Package<br />

Identification Code (PIC) that must remain unique<br />

for a 12-month period. The PIC is represented on<br />

each package in the form of a barcode.<br />

See Appendix G for barcode specifications. Each<br />

PIC contains:<br />

A 2-digit Application Identifier “<strong>91</strong>” (used with UCC/EAN Code 128<br />

symbology only).<br />

<br />

<br />

<br />

<br />

A 2-digit Service Type Code that denotes the class of mail and/or the<br />

service being requested, e.g., Delivery <strong>Confirmation</strong> service. See<br />

Appendix B.<br />

Your company’s 9-digit D-U-N-S Number. Even if a print shop prints<br />

your labels, you must still use your D-U-N-S Number.<br />

An 8-digit Package Sequence Number assigned by the mailer.<br />

A 1-digit check digit.<br />

NOTE<br />

The information<br />

required to complete<br />

Detail Records 1 and 2<br />

will most likely be found<br />

within your own<br />

customer or shipping<br />

database.<br />

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

11

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