Reply To: Using expired passport number on child applications Home › Forums › General Passport Application Discussion › Using expired passport number on child applications › Reply To: Using expired passport number on child applications March 15, 2022 at 3:39 pm #9761 jespop30Participant I put my expired passport number down, one 2 kid renewals and 1 child’s first, even after my passport was approved and there were no issues, I would not worry.