Filing deadline for statements of financial transactions: prescribed financial institutions must file Form 61B by 31st May each year. The annual furnishing obligation under Section 285BA requires a prescribed reporting financial institution to submit the statement for each calendar year in the prescribed format, Form No. 61B, on or before 31st May of the year following the calendar year, to facilitate exchange of information; procedural details are in Rules 114F-114H of the Income tax Rules, 1962.