TDS Compliance
TAN Number Verification & Format Checker
Every entity deducting or collecting tax at source under Section 203A of the Income Tax Act must obtain a 10-digit alphanumeric Tax Deduction and Collection Account Number (TAN). Validate syntax and decode jurisdiction codes.
Enter 10-Character TAN Format Validator
Format: 4 alphabetic letters + 5 numeric digits + 1 alphabetic check character.
TAN Structural Analysis
Valid TAN Format: DELA12345B
First 3 letters represent jurisdiction city code (DEL = Delhi), 4th letter is the first letter of deductor name, followed by 5 numbers and a check alphabet.
Verify active deductor details and jurisdictional Assessing Officer code on the Income Tax e-Filing portal:
Verify active deductor details and jurisdictional Assessing Officer code on the Income Tax e-Filing portal:
Official Government Registry Verification
Lookup official deductor status on the Income Tax e-Filing Portal:
Verify on Income Tax e-Filing Portal →Anatomy of a TAN Number
| Character Range | Length | Significance |
|---|---|---|
| 1st to 3rd | 3 Letters | Jurisdiction City Code: Identifies the city where the TAN was allotted (e.g. DEL for Delhi, MUM for Mumbai, BLR for Bengaluru, CHE for Chennai). |
| 4th | 1 Letter | Deductor Initial: First letter of the legal deductor name (e.g. A for Ajay Kumar or Airtel). |
| 5th to 9th | 5 Digits | Sequential Number: Unique 5-digit numerical sequence generated by the ITD. |
| 10th | 1 Letter | Check Digit: Computed alphabetic checksum for error detection. |