What is the execution date given in the delivery instruction execution date is the date on which securities will be actually debited from your account? The execution date written on the delivery instruction has to be entered by the DP, in the DPM system [computer]. DPM system will record the date and will debit your account only on that date. You may issue the instruction well in advance of the date on which you want the securities to be debited from your account but your account will be debited only on the execution date. This facility is called future execution date facility.rm?