44. (1) A summons may be served on a witness—
(a) personally;
(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 summons shall be accompanied by—
(a) an undertaking to appear for signature by the person and return to a Coroner by the date specified in the summons; and
(b) a form to be completed by the person to claim his or her reasonable costs and expenses of attendance at the inquest or inquiry.
(3) A person is not entitled to refuse to comply with a summons because of a failure at the time the summons was served to give the person the form.
(4) Service of a summons on a witness may be proved by the oath or affirmation of the person who served it or by affidavit.