Section 125: Service on public officers

(1) Where a public officer is to be served with a summons, the court issuing the summons may send it in duplicate to the officer in charge of the department in which the person is employed for the purpose of being served on the person, if it appears to the court that it may be most conveniently so served.
(2) The officer in charge of the department shall on receiving the summons cause it to be served in the manner provided by section 123 (a) of this Act and shall return the duplicate to the court under his signature, with the endorsement required by section 115 of this Act, which signature shall be evidence of the service.