If you already set an appointment but decided to cancel or reschedule the confirmed date of appointment due to some unforeseen event the system has provided these options. If you have to cancel or reschedule the date make sure it is 3 days before the confirmed date.
If you can’t arrive to your chosen date make sure to cancel your appointment to avoid problems in your future application. The DFA are planning to give penalty to no-show applicants because it affects other applicants schedule.
Check our article => How to Cancel or Reschedule Passport Appointment Online
Questions about canceling and rescheduling of Passport Online appointment, please post below.