The writ of habeas corpus is the remedy to be used when any person is restrained in his liberty. A writ of habeas corpus is based solely on the constitution and whether a sentence is unconstitutional.In this application form: 1. If you are looking to file a Texas 11.07 Writ of Habeas Corpus application, post-convcition lawyer Sarah Durham is here to help. The CIU handles all post-conviction reviews, writs of habeas corpus, Chapter 64 motions, and clemency and commutation petitions. A Writ of Habeas Corpus (Latin for "that you have the body") may be filed on behalf of a person who is unlawfully imprisoned. An application for a writ of habeas corpus asks a court to overturn your conviction because of a state or federal constitutional violation. A writ of habeas corpus refers to a court order that is issued to either an agency or a person who is holding someone in custody. It ensures that individuals are not held in custody without proper legal justification. Attached are the forms you will need to file a petition for a writ of habeas corpus.