Taxpayers would not be able submit Form-15CA & 15CB during the intervening period of revamp of e-filing portal, i.e. from midnight of 31st May till midnight of 6th June, 2021. Those who intend making any remittance during blackout period from 1st to 6th June 2021 may kindly submit and download their forms by midnight of 31st May, 2021 to avoid any inconvenience.