The Writ of Habeas Corpus demands that requires a prisoner must go before the court to determine if there is lawful authority to detain the prisoner. A Writ of Habeas Corpus is a motion which is filed most frequently to ensure that a Defendant's imprisonment or detention is not illegal.Local Rule of Civil Procedure (LRCiv) 3.5(a) provides that habeas corpus petitions must be filed on the courtapproved form. Our Phoenix post-conviction relief lawyer assists Arizona defendants in filing for a writ of habeas corpus. If you win a habeas petition, the federal court could either order your release or a special bond hearing before the immigration judge. What is "habeas corpus"? The Memorandum is to provide legal support for your Petition for a Writ of Habeas Corpus and provides required personal information in addition to the form. Habeas corpus is a kind of petition that you can file in federal court to claim that your imprisonment violates federal law. The HC in the second example tells you that this is a habeas corpus case. STEP 1: USING BLACK INK ONLY, Fill out the "Civil Cover Sheet.