India TAN Generator
Online TAN generator for India integration and QA testing. QA testing.
Waiting for generation...
About Tax Deduction Account Number (TAN)
Tax Deduction and Collection Account Number (TAN) is a unique 10-digit alphanumeric number issued by the Income Tax Department of India to individuals or businesses who are required to deduct or collect tax at source.
The standard structure comprises 4 initial letters, followed by 5 numeric digits, and ends with a check letter calculated using a positional Modulo 26 checksum.
Anatomy & Structure of the TAN (Tax Deduction Account Number)
The Indian TAN consists of 10 alphanumeric characters structured in 4 parts:
| Position | Field | Length | Meaning & Rule | Example |
|---|---|---|---|---|
| 1 to 3 | Jurisdiction Code | 3 letters | Official tax office jurisdiction code | MUM |
| 4 | Deductor Initial | 1 letter | First letter of the deductor's name (TDS/TCS entity) | A |
| 5 to 9 | Sequential Number | 5 digits | Sequential number generated by the tax authority | 12345 |
| 10 | Check Character | 1 letter | System-generated alphabetic check letter | B |
Official TAN Validation (Income Tax Act Section 203A)
Structural validation rules for Indian TAN:
^[A-Z]{4}[0-9]{5}[A-Z]$
- 1. Verify exact length of 10 alphanumeric characters.
- 2. First 4 characters must be uppercase letters (3 jurisdiction + 1 initial).
- 3. Positions 5 to 9 must contain exactly 5 numeric digits.
- 4. The 10th character must be an uppercase check letter.