<s>[INST] What are the documents that need to accompany the TAN application? [/INST] ​No documents are required to be accompanied with Form 49Bi.e. the application for allotment of TAN. However, where the application is being made online, the acknowledgment which is generated after online filling up the form will be required to be forwarded to NSDL. Detailed guidelines for the submission of application are available at https://www.protean-tinpan.com/​ </s>