> This is bizarre, blame the passport for only having the last two digits and not the computer reading it.
I mean, the passport only showing 2 digits is worth mentioning. But I doubt this 101-year-old got much choice in exactly what format his passport contained his DOB - so the software needs to handle it. So if in doubt (e.g. both possibilities yield an age younger than oldest person on the planet) the software should be asking to confirm the century.
If you want to get really fancy, check the issue date first. If this is before the supposed 20xx birth date, the birth date must actually be 19xx. People aren't issued passports before they are born.
I mean, the passport only showing 2 digits is worth mentioning. But I doubt this 101-year-old got much choice in exactly what format his passport contained his DOB - so the software needs to handle it. So if in doubt (e.g. both possibilities yield an age younger than oldest person on the planet) the software should be asking to confirm the century.
If you want to get really fancy, check the issue date first. If this is before the supposed 20xx birth date, the birth date must actually be 19xx. People aren't issued passports before they are born.