If an application is made under section 25 for documents that relate to the personal affairs of a person, and the documents contain matter that would be exempt matter if the application was made by a person other than the first person or the person’s agent, an agency or Minister—
(a) must not give access to the information unless the agency or the Minister is satisfied of the identity of the applicant; and
(b) must ensure, by the adoption of appropriate procedures, that any information intended for the applicant is received—
(i) if the application is made by the applicant’s agent—only by the applicant or the agent; or
(ii) in any other case—only by the applicant; and
(c) must ensure that, if the application is made by the applicant’s agent, the agent has the written authority of the applicant to obtain the information or is otherwise properly authorised by the applicant to obtain the information.