(1) Any person who is at least eighteen years old and not a party to the hearing may serve a subpoena.

(2) Service of a subpoena is complete when the server:

(a) Gives the witness a copy of the subpoena; or

(b) Leaves a copy at the residence of the witness with a person over the age of eighteen.

(3) To prove that a subpoena was served on a witness, the person serving the subpoena must sign a written, dated statement including:

(a) Who was served with the subpoena;

(b) When the subpoena was served;

(c) Where the subpoena was served; and

(d) The name, age, and address of the person who served the subpoena.