What is the procedure to apply for TAN online? Ans. You can apply for TAN online at the NSDL-TIN website. You can then fill and submit the form online. Once you click on button 'submit', an acknowledgment containing a unique 14 digit acknowledgment number is generated on the screen. You should print this acknowledgment, sign it and despatch it to NSDL at the address mentioned on NSDL-TIN website along with the processing fee which is Rs. 50 + service tax (as applicable). Payment can be made by DD/cheque, payable at par in Mumbai, favouring NSDL-TIN or by credit card.
