(a) An adult may file a written application for the emergency detention of another person.
(b) The application must state:
(1) that the applicant has reason to believe and does believe that the person evidences mental illness;
(2) that the applicant has reason to believe and does believe that the person evidences a substantial risk of serious harm to himself or others;
(3) a specific description of the risk of harm;
(4) that the applicant has reason to believe and does believe that the risk of harm is imminent unless the person is immediately restrained;
(5) that the applicant’s beliefs are derived from specific recent behavior, overt acts, attempts, or threats;
(6) a detailed description of the specific behavior, acts, attempts, or threats; and
(7) a detailed description of the applicant’s relationship to the person whose detention is sought.