(1) A subpoena may be served on a witness—
(a) personally; or
(b) by sending it to the witness's last-known place of residence or employment by a form of post that requires a signature on receipt; or
(c) by leaving it with a responsible adult at the witness's last-known place of residence or employment.
(2) The subpoena must be accompanied by—
(a) an undertaking to appear for signature by the person and return to a coroner by the date specified in the subpoena; and
(b) a form to be completed by the person to claim the person's reasonable costs and expenses of attendance at the inquest or inquiry.
(3) A person is not entitled to refuse to comply with a subpoena because of a failure at the time the subpoena was served to give the person the form.
(4) Service of a subpoena on a witness may be proved by the oath of the person who served it or by affidavit.