[Code of Federal Regulations] [Title 39, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 39CFR501.9] [Page 178] TITLE 39--POSTAL SERVICE CHAPTER I--UNITED STATES POSTAL SERVICE PART 501--AUTHORIZATION TO MANUFACTURE AND DISTRIBUTE POSTAGE METERS--Table of Contents Sec. 501.9 Security testing. The Postal Service reserves the right to require or conduct additional examination and testing at any time, without cause, of any meter submitted to the Postal Service for approval or approved by the Postal Service for manufacture and distribution.