- Missing indicia.
- Indicia must be 8 pt type and 1/2” tall at minimum.
- Opening at the bottom, resulting in the need for double tabbing.
- Barcode must be within 4” of bottom of mail zone and 1/2” from lead edge.
- Aspect Ratio is off. Length divided by height = between 1.3 and 2.6 to be “automation compatible”.
- Varnish or stock prohibits ink jetting.
- Flat = anything greater than 6.125 x 11.5. Letter = anything under 6.125 x 11.5. Could be up to a .10 cent savings by folding a flat to letter size.
- Need 4” x 1” clear space for barcoding.
- Contents of a window envelope must meet the “tap test” and address cannot go out of view anywhere, or it can be rejected.
- Over 3.3 ounces and it goes up in postage for standard presort (what we used to think of as “bulk rate”).
- Color of stock is too dark to be read by post office scanners.
- Postcards must mic. out to .009 thick.
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