An application for a temporary permit under section 31C of the Act must—
(a) be accompanied by—(i) the corresponding authority held by the applicant that is relied on for the application; and(ii) documentary evidence, satisfactory to the chief executive, of the applicant’s engagement to carry out functions authorised under the corresponding authority at the event for which the permit is sought; and
(b) state the period during which the applicant intends that the authorised functions will be carried out at the event.