Next dueTDS / TCS
All due dates
31 OCTForm 24Q / 26Q · TDS return · Jul–Sep 2026in 12 days
7 NOVTDS / TCS deposit · Deducted in Oct 2026in 19 days
15 JANForm 27EQ · TCS return · Oct–Dec 2026in 88 days
15 JUNForm 16 · Salary TDS certificate · FY 2026-27in 239 days
20 OCTGSTR-3B · Summary return · Sep 2026tomorrow
21 OCTTax Audit Report · Form 3CA/3CB · AY 2026-27 · extended from 30 Sepin 2 days
30 OCTAOC-4 · Financial statements · FY 2025-26in 11 days
11 NOVGSTR-1 · Outward supplies · Oct 2026in 23 days
Free Tool
TAN AO Code Search
Find the Assessing Officer (AO) code for your city — required for TAN (Tax Deduction Account Number) applications (Form 49B).
AO Code = Area Code + AO Type + Range Code + AO Number. Enter these 4 values in the AO Code section of your TAN application form.
AO Codes for GUWAHATI
(5 records)
| Ward / Circle / Range | Area Code | AO Type | Range Code | AO No. | Copy |
|---|---|---|---|---|---|
|
ACIT-TDS, GUWAHATI
|
SHL | CT | 10 | 3 | |
|
ITO-TDS-1, GUWAHATI
MUNICIPAL WARD NOS. 30 TO 36 OF THE GUWAHATI MUNICIPAL CORPORATION, GUWAHATI IN KAMRUP, NAGAON AND MORIGAON DISTRICT IN THE STATE OF ASSAM.
|
SHL | WT | 10 | 1 | |
|
ITO-TDS-2, GUWAHATI
MUNICIPAL WARD NOS. 18,19,28 & 29 OF THE GUWAHATI MUNICIPAL CORPORATION, GUWAHATI IN KAMRUP, NALBARI AND BARPETA DISTRICT IN THE STATE OF ASSAM.
|
SHL | WT | 10 | 2 | |
|
ITO-TDS-3, GUWAHATI
MUNICIPAL WARD NOS. 1 TO 17 AND 20 TO 27 AND 37 TO 60 OF THE GUWAHATI MUNICIPAL CORPORATION, GUWAHATI IN KAMRUP, DISTRICT IN THE STATE OF ASSAM. OTHER AREAS OF KAMRUP DISTRICT NOT COVERED BY THE GUWAHATI MUNICIPAL CORPORATION IN THE STATE OF ASSAM.
|
SHL | WT | 10 | 3 | |
|
ITO, TDS-4, GUWAHATI
|
SHL | WT | 10 | 8 |
Good to Know
About TAN AO Code
TAN AO Code is a 4-part code required in the TAN application form (Form 49B). It identifies the Income Tax office (Assessing Officer) that will handle your TDS/TCS returns. The code consists of: Area Code (3 letters), AO Type (2 letters), Range Code (number), and AO Number (number).
Search your city above, identify the Ward/Circle that matches your business jurisdiction, and note the 4 components. Enter these in the respective fields of your TAN application on the NSDL portal.
If you know your TDS Ward/Circle/Range from previous filings, select that exact entry. If you're new — select the row that covers your district's TDS deductions or contact your nearest Income Tax office.
TAN AO Code is for Tax Deduction Account Number applications — used by entities deducting TDS. PAN AO Code is for PAN applications — used by individuals and businesses for their personal/business tax assessment.
Yes, the Income Tax department reorganises jurisdictions periodically. Data here is sourced from NSDL's official portal. When in doubt, verify with your local Income Tax office.
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