A member shall, before proceeding to discharge the duties of his or her office, make and subscribe a declaration of office in accordance with the form in the Schedule:
(a) in the case of a member appointed by the Senate--before the President of the Senate or a person appointed by the President of the Senate to be a person before whom such a declaration may be made and subscribed; and
(b) in the case of a member appointed by the House of Representatives--before the Speaker of that House or a person appointed by the Speaker of that House to be a person before whom such a declaration may be made and subscribed.