Court Order for Conservatorship of the Child(ren). Choose one: Check (1) if you are claiming superior rights under a court order.This guide includes forms and instructions for a letter and affidavit to request that the court register an outofstate custody order in Texas. A writ of habeas corpus is a legal tool that a person can use to enforce a superior right of possession to a child. Org and find a legal form called "Answer" and deny all of her requests and ask the court to force her to prove her allegations. The required application for a person currently incarcerated in TDCJ to file for a writ of habeas corpus under Texas Code of Criminal Procedure, Article 11.07. Yes, you can file a writ of habeas. Texaslawhelp. An application for a Writ of Habeas Corpus is filed when a person seeks relief from unlawful detention or imprisonment. In child custody cases, parents or guardians can use the writ of habeas corpus to contest the legality of custody arrangements. Fill out the Petition for Writ of Habeas Corpus to Return Child.