TINP check digit calculator
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Overview
The last digit of the TINP format is a check digit. Calculation is the same as for GS1 GTIN/EAN/UPC check digits.
GS1 check digit calculator
A GS1 check digit calculator and detailed documentation is online at GS1's website. http://gs1.org
Tango.info TINP check digit calculator
- https://tango.info/x/php/tools/checkdigit.php
- Input: 13 digits, i.e. the first 13 of a TINP-14, i.e. without the check digit
- Output: the form returns TINP-14, if the input was as described in the former bullet point