The PDF version of these forms are FILLABLE. They can be filled out electronically, then printed.FAQs (Frequently Asked Questions) What is a Guardian? Who can file a petition for Guardianship? Individuals 17 years or older can change their gender designation on their birth certificate, including requests for 'X ( non-binary)' gender designations. This petition is for guardianship of the person only. This program guides you step-by-step through court forms on any computer or mobile device. Answer a few simple questions and receive a completed PDF document. Submit a copy of the marriage record along with a completed and notarized affidavit from each parent.