Tax Deduction Account Number or Tax Collection Account Number ((commonly known as TAN) is a 10-digit alphanumeric number issued by the Income-tax Department. It is required to be obtained by all persons who are responsible for deducting tax at source or who are required to collect tax at source.
Unlike PAN, a person can hold more than 1 TAN at a point in time. Different branches/ divisions of an entity can have separate TANs.
Exception – A person deducting tax under Section 194-IA, Section 194-IB or Section 194M are not be required to seek a TAN
The 10 characters of TAN are formed as follows: