If you are presorting a Periodical Flat and the Tags have CR on them, for example: CR\5D or CR\5D\3D and there are no Carrier Route pieces in the Sacks, the tags are still correct:
This is correct per DMM 705.10.1.4.D:
http://pe.usps.com/text/dmm300/705.htm#wp1179860
d. Merged 5-digit, required at 24 pieces, fewer pieces not permitted. Must be prepared only for those 5-digit ZIP Codes that are not part of a scheme and that have an "A" or "C" indicator in the City State Product. May contain carrier route bundles, automation rate 5-digit bundles, and Presorted rate 5-digit bundles. Labeling:
1. Line 1: use city, state, and 5-digit ZIP Code destination (see 707.21.1.2 for military mail).
2. Line 2: "PER" or "NEWS" as applicable, followed by "FLTS" or "IRREG" as applicable, followed by "CR/5D."
Periodical Sack Tags Have CR on Them but No CR Pieces
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