BARCODE ADDRESS on the Slip Sheet

Perhaps for the same reason that I cannot put a bar code on the mailing labels any more? I think the USPS does prevent that.

Just has to meet these standard   1.0 Standards for Intelligent Mail Barcodes

1.1 General

An Intelligent Mail barcode is a USPS-developed method to encode ZIP Code information on mail that can be read for sorting by automated machines. Intelligent Mail barcodes also encode other tracking information.

1.2 Intelligent Mail Barcodes 1.2.1 General

An Intelligent Mail barcode is the USPS-developed barcode that mailers use to encode routing and tracking information on mail that can be read by automated mail processing equipment to sort mail and to provide tracking information to the mailers. An Intelligent Mail barcode consists of 65 vertical bars, each representing one of four possible states: full bar, ascender, tracker, and descender. These 65 bars encode a string of 31 digits, divided into two parts: a 20-digit tracking code and an 11-digit routing code (when required). The 11-digit routing code may contain a ZIP Code, a ZIP+4 code, or a delivery point code, unless required to contain a certain level of code in specific applications; no correction digit is needed within an Intelligent Mail barcode. Mailers may use Intelligent Mail barcodes as follows:

1. When used on letters for automation-price eligibility purposes, the routing code must contain a delivery point code that accurately matches the delivery address.
2. When used on flat-size pieces for automation-price eligibility purposes, the barcode must contain a delivery point routing code that accurately matches the delivery address. When flat-size pieces bear an Intelligent Mail barcode for automation price eligibility, the barcode on a piece that contains an optional endorsement line (OEL) must contain OEL coding that includes information in Exhibit 203.7.1.1 corresponding to the correct sortation level of each bundle. When automation-priced flat-size pieces bear an Intelligent Mail barcode that contains OEL coding information corresponding to the correct sortation, an OEL is also required on the piece. See the Intelligent Mail Barcode Technical Resource Guide available on PostalPro at http://postalpro.usps.com/ for more information on incorporating OELs in Intelligent Mail barcodes.
3. Reply mail pieces using origin Informed Visibility do not require a Mailer ID (MID) to be encoded into the Mailer Identifier field. All other mailpieces, including QBRM letters and PRM pieces, bearing Intelligent Mail barcodes must include the MID in the Mailer Identifier field. Additional information on Informed Visibility is available under 507.10.0. Mailers printing the Intelligent Mail barcode solely for automation price eligibility can contact the PostalOne! Help Desk at 1-800-522-9085 to obtain a MID.

1.2.2 Specifications

Complete specifications for Intelligent Mail barcodes are defined in the Intelligent Mail Barcode Technical Resource Guide available on PostalPro at https://postalpro.usps.com. This publication also provides details on how to encode the routing code and tracking code into an Intelligent Mail barcode, barcode dimensions and spacing, clear zone, skew and rotation tolerance, and print characteristics. The assignment of a Barcode Identifier, Service Type Identifier, and Mailer ID are described by the respective publications for each extra service. These publications are available on PostalPro at https://postalpro.usps.com.

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