Writ of Mandamus: A mandamus action is a court order compelling a government agency to execute a duty that they are legally obligated to complete.

Writ of Habeas Corpus: A writ of habeas corpus is a court order demanding a public official to deliver a detainee to court and demonstrate a valid reason for that person’s detention.

Petition for Review: Allows noncitizens to seek a judicial review by the federal court of appeals on a final order of removal usually issued by the Board of Immigration Appeals.