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Jul 9, 2025
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Update specifications.md #702

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Update specifications.md
LanceMcCarthy Jul 8, 2025
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Update specifications.md
LanceMcCarthy Jul 8, 2025
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11 changes: 5 additions & 6 deletions controls/barcode/specifications.md
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Expand Up @@ -10,19 +10,18 @@ position: 4

# Specifications



This help topic describes the specific characteristics of the bar codes per type.
This help topic describes the specific characteristics of the barcodes per type.

##


| Barcode type | Character set | Length | Check digits |
| ------ | ------ | ------ | ------ |
|Code 128|ASCII (128 characters)|variable|Mod 103|
|Code 39|[A-Z]; [0-9]; [ - . $ / + % ]|variable (avg. up to 20 chars)|optional (Mod. 43)|
|EAN-13|numeric [0..9]|7 usable digits|1 check digit|
|EAN-8|numeric [0..9]|12 digits|1 check digit|
|EAN-13|numeric [0..9]|13 digits|1 check digit|
|EAN-8|numeric [0..9]|8 digits|1 check digit|
|Postnet|numeric [0..9]|variable|1 check digit|
|UPC-A|numeric [0..9]|12 digits|1 check digit|
|UPC-E|numeric [0..9]|7 digits|1 check digit|

>note Be sure to take the check digit into consideration as it decreases the total number of usable digits for your data. For example, if you need 8 digits for your data; you can't use EAN-8 because 8 total digits, minus one check digit, leaves only 7 usable digits.