This Subdivision applies to a subpoena that:
(a) has been issued by a tribunal in connection with the performance of an investigative function by the tribunal; and
(b) is addressed to a person:
(i) who is not in prison; or
(ii) who is in prison but who need neither attend before the tribunal for the purpose of complying with the subpoena nor give oral evidence, by audio link or audiovisual link, to the tribunal.