Following your appointment, be sure to record any reference numbers or receipts that were given; these details will be essential for later tracking down the status of your application. You can use the passport appointment system witstarburt slotsh ease and confidence if you follow these instructions. In conclusion, using strategic approaches and comprehending the appointment system can greatly simplify the passport application process, even though it may appear to be a daunting undertaking full of difficulties. Getting Your Passport Safely and Effectively. Every step is essential to success, from identifying open times and getting ready for your appointment to using cancellations and outside services.