These forms and instructions are available in the General Clerk's Office, Room 108, in the Nassau County. Petition for (Custody) (Visitation).Complete General Form 17 to petition for custody or visitation. Complete, date and sign the Cover Sheet for the Petition to Modify. Custody. In general, Texas has very few official legal forms. Relationship to Child. 1. Fill out your court forms. Complete, date and sign the Cover Sheet for the Petition to Modify. Custody. The girl, through her mother, filed a petition to challenge the regional passport officer's Nov 2024 communication to reject her application. An up-and-coming football player has died in an ATV crash.