[Code of Federal Regulations] [Title 41, Volume 3] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 41CFR105-70.008] [Page 469] TITLE 41--PUBLIC CONTRACTS AND PROPERTY MANAGEMENT CHAPTER 105--GENERAL SERVICES ADMINISTRATION PART 105-70--IMPLEMENTATION OF THE PROGRAM FRAUD CIVIL REMEDIES ACT OF 1986 --Table of Contents Sec. 105-70.008 Service of complaint. (a) Service of a complaint must be made by certified or registered mail or by delivery in any manner authorized by Rule 4(d) of the Federal Rules of Civil Procedure. Service is complete upon receipt. (b) Proof of service, stating the name and address of the person on whom the complaint was served, and the manner and date of service, may be made by-- (1) Affidavit of the individual serving the complaint by delivery; (2) A United States Postal Service return receipt card acknowledging receipt; or (3) Written acknowledgment of receipt by the defendant or his representative.