其實可以用application number去搵個兩個tracking number
How do I track my items?
You will need your passport application reference number which was given to you during the application process and which can be found on the email we sent you.
Track your items
You must enter the passport application reference number into the field where you are asked for the “Shipper’s Reference”. Please note that if your passport application reference number begins with the letters ‘PEX’ you will need to exclude these first three letters when entering your number.
Where it states “Date range for shipment – From” please enter the approximate date you applied for your passport.
The system will show tracking information for the items linked with your passport application. Each item (passport and supporting documents) will be listed under its unique tracking number (Waybill number). You'll need this number if you want to reschedule your delivery.