The five year passports for minors has been in existance since 2002 or earlier, because I just renewed for my children whose previous passports were valid for five years, so I am surprised that your 3 year old has a 10 year one. The respondent was correct who said that a complete re-app for kids under 16 is required, and definitely both parents must be present, have valid ID and the child's original birth certificate must be presented. There was quite a line at the passport office when we went and I can't tell you how many parents threw a fit because they did not have the above documentation. The DOS website does do a good job of explaining what is required. Both of my kids have chips...