Bar code check characters

If we use A (i.e. "C39-0.BA") a check character will be added automatically to the bar code produced.

If your data already includes check characters, use I to keep the check characters (i.e. "C39-0.BI"), or use A and I to replace the check characters (i.e. "C39-0.BAI").

Use .H instead of .B if you want to produce human-readable text, which is usually printed underneath bar codes.


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