Turkish VKN Tax ID Generator
Generate and format valid Turkish Vergi Kimlik Numarası (VKN) tax numbers for enterprise QA testing.
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About the Turkish VKN
The Vergi Kimlik Numarası (VKN) is the 10-digit corporate tax identification number issued by the Turkish Revenue Administration (GİB).
It uses an exponential cascading modulo 9 arithmetic algorithm over the first 9 digits to determine the 10th check digit.