Louisiana Code of Criminal Procedure Tit. IX, Art. 353. Application for writ; form and contents

(1) The name of the person in custody and the place of custody if known, or if not known, a statement to that effect;

(2) The name of the custodian, if known, or if not known, a designation or description of him as far as possible; and

(3) A statement of facts upon which the petition is based, which statement may be supported by affidavits filed with the petition.

The application shall conclude with a prayer for the issuance of the writ. It shall be signed by the applicant and be accompanied by an affidavit that the allegations contained in the petition are true to the best of the affiant's information and belief.