(a) Service of a subpoena, order or notification upon a person named therein shall be made by delivering a copy to that person in the manner described by 11 CFR 111.13 (b), (c), and (d). In the case of subpoenas, fees for one day's attendance and mileage shall be tendered as specified in 11 CFR 111.14.

(b) Whenever service is to be made upon a person who has advised the Commission of representation by an attorney pursuant to 11 CFR 111.23, the service shall be made upon the attorney by any of the methods specified in 11 CFR 111.13(c).

(c) Delivery of subpoenas, orders and notifications to a natural person may be made by handing a copy to the person, or leaving a copy at his or her office with the person in charge thereof, by leaving a copy at his or her dwelling place or usual place of abode with some person of suitable age and discretion residing therein, or by mailing a copy by registered or certified mail to his or her last known address, or by any other method whereby actual notice is given.

(d) When the person to be served is not a natural person delivery of subpoenas, orders and notifications may be made by mailing a copy by registered or certified mail to the person at its place of business or by handing a copy to a registered agent for service, or to any officer, director, or agent in charge of any office of such person, or by mailing a copy by registered or certified mail to such representative at his or her last known address, or by any other method whereby actual notice is given.