Your writ of habeas corpus must state the specific relief you are requesting and the reasons you are requesting it. Initiate the sanity proceedings set out in section 922.07, Florida Statutes) (1985).The same holding exists under federal law. How long do you have to file a writ of habeas corpus? Find out what this deadline is and what Florida post-conviction motions can extend this time period. Many court forms are provided in PDF format. The free Adobe Acrobat ® Reader (link is external) may be used to view, save and print PDF forms. 79.01 Application and writ. A person held in a secure facility under this part may file a petition for habeas corpus in the circuit court for the county in which the facility is located. Habeas corpus is used to challenge the legality of the detention or restraint of a person and to obtain the person's prompt release.