It will need to be in the form of an agreed court order to be valid.

No, a birth certificate should suffice. Get an attorney.

It would be the same process as a new name in your case.

A medical POA is limited to medical issues. If FIL is still competent he can grant general POA to whom he chooses, but some issues, like real...

Sure, just file notice of amendment and be sure to let the judge know at your hearing.

The lender is going to add him as a responsible party to the loan, because that gives them someone to go after if you default. He could agree to...

There are arguments on both sides. Your position is that summer camp is an extracurricular activity and their position is that it is childcare. ...

Birth certificate changes usually require a court order. Contact vital statistics in the state you were born in and they will tell you what is...

Not if the court order says that's his time.

It isn't the bank's place to question competency. The principle should move his money to another bank.