As per the tax rules, any person/institution making payments on salaries, rent, interest, commission etc. required to deduct tax before making payments. This deduction is called Tax Deducted at Source (TDS). In the case of banks, TDS is deducted only if the interest earned (both paid and accrued) is more than Rs. 5000 in a single branch. The bank also has to file the appropriate form (Form 16A) annually showing the various details of the deductions made and deposit of tax thereon. This form is needed file filing the annual tax return for the individual.