Tax Deduction Account Number or Tax Collection Account Number is a 10 -digit alpha-numeric number issued by the Income-tax Department. TAN is to be obtained by all persons who are responsible for deducting tax at source (TDS) or who are required to collect tax at source (TCS).
How to apply for TAN?
There are two modes for applying for TAN:
OFFLINE - An application for allotment of TAN is to be filed in Form 49B in duplicate and submitted to any TIN-FC. Addresses of TIN FCs are available at NSDL TIN website (https://www.tin-nsdl.com).
ONLINE — Online application for TAN can be made from the website of NSDL TIN website.