Edit, sign, and share notarized affidavit of guardianship dost online. No need to install software, just go to DocHub, and sign up instantly and for free.The PDF version of these forms are FILLABLE. They can be filled out electronically, then printed. The petition must be verified under oath in front of a clerk or a notary public. A notarized letter of guardianship formalizes the appointment of a guardian for a minor, transferring decisionmaking authority during a parent's absence.