Who Should Use This Form. You should use this form if.Habeas Corpus, A writ employed to bring a person before a court, most frequently to ensure that the party's imprisonment or detention is not illegal. You are required to calculate the values for each schedule and insert on the forms as appropriate. You need help now, but should you file a writ of habeas corpus or an appeal? Find out more about each method of relief in Florida and why you need a lawyer. Article 1, Section 13 of the Florida Constitution provides: "The writ of habeas corpus shall be grantable of right, freely and without cost. 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. Presently incarcerated. 5.