TINP check digit calculator: Difference between revisions
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Revision as of 2012-03-09T10:50:28
The last digit of the TIN format is a check digit. Calculation is the same as for GS! GTIN/EAN/UPC check digits. A GS1 check digit calculator and detailed documentation is online at GS1's website. http://gs1.org
- http://en.wikipedia.org/wiki/Check_digit
- http://tools.tango.info/checkdigit.php - give 13 digits without the last, then the form returns 14 digits.