(a)Service Upon the United States. Service of the complaint upon the United States shall be made through the delivery by the clerk to the Attorney General, or to an agent designated by authority of the Attorney General, of copies of the complaint in numbers prescribed by subdivision (b).
(b)Copies. The clerk shall serve on the Attorney General, or his designated agent, 5 copies of the complaint.
(c)Proof and Date of Service. At the time the clerk serves a complaint, the clerk shall enter the fact of service on the docket, and such entry shall be prima facie evidence of service. For the purposes of this rule, the date of service shall be the date of filing with the clerk.