[Code of Federal Regulations] [Title 16, Volume 1] [Revised as of January 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 16CFR642.4] [Page 534] TITLE 16--COMMERCIAL PRACTICES CHAPTER I--FEDERAL TRADE COMMISSION PART 642_PRESCREEN OPT-OUT NOTICE--Table of Contents Sec. 642.4 Effective date. This part is effective on August 1, 2005.