If an application for a detention warrant is made in respect of a vulnerable person, the application for the warrant must include--
(a) reference to the fact that the person is believed to be a vulnerable person, and
(b) the nature of the person's vulnerability, and
(c) the identity and relationship to the person of any support person who is present during the investigative procedure concerned, and
(d) any particular precautions that have been taken in respect of the vulnerable person.