INN Generator (Russia Tax ID)
Generate and format valid Russian INN tax identification numbers for software development and QA testing.
Waiting for generation...
About Russian INN (Taxpayer Identification Number)
The INN (Идентификационный номер налогоплательщика) is the universal tax identification number in the Russian Federation, administered by the Federal Tax Service (FNS).
Comprises two official formats: 10 digits for corporations (with 1 check digit) and 12 digits for individuals and sole proprietors (with 2 check digits).
Check Digit Calculation Algorithm
- For Legal Entities (10 digits): multiply first 9 digits by weights [2, 4, 10, 3, 5, 9, 4, 6, 8] and compute (Sum % 11) % 10.
- For Individuals (12 digits) - 1st CD: multiply first 10 digits by [7, 2, 4, 10, 3, 5, 9, 4, 6, 8] and compute (Sum % 11) % 10.
- For Individuals (12 digits) - 2nd CD: multiply first 11 digits by [3, 7, 2, 4, 10, 3, 5, 9, 4, 6, 8] and compute (Sum % 11) % 10.