Passport renewal for Minor

[pjalli]

I have to renew passport for 2 kids (6 yrs and 10 yrs).
1. Is going in-person better or via postal
2. Do we need to send orginal passport of parents if via postal?
3. Do minors have to sign the applications forms /or thier thumb impression or do parents have to sign
4. Somewhere...

[jintatabs]

Hi,

We recently got US citizen certificate. So the next step is to apply for US passport, I have few questions below:

1)Can we submit my daughter(12yr old's application) along with my application?

2)OR do we need to go in person to apply for minor?
...