These forms and instructions are available in the General Clerk's Office, Room 108, in the Nassau County. Petition for (Custody) (Visitation).A completed Declaration Under Uniform Child Custody Jurisdiction and Enforcement Act (UCCJEA) (form FL-105) is attached. 4. The original and two copies of your Proposed Order must be included. If you need help filing your petition, you may also contact an attorney, like me (George M. Gilmer, Esq. 718 864 2011), that can help you with the process. To start a Minor Guardianship case, you will need to file forms with the clerk's office. A child or an interested party may file the petition. Learn how to file for paternity, child custody or parenting time, what forms you'll need, and where to file. Both parties must complete and file with the court a Child Support Case Registry Form (form FL-191) within 10 days of the date of this judgment.