[Code of Federal Regulations] [Title 19, Volume 2] [Revised as of April 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 19CFR143.4] [Page 57] TITLE 19--CUSTOMS DUTIES CHAPTER I--UNITED STATES CUSTOMS SERVICE, DEPARTMENT OF THE TREASURY PART 143--SPECIAL ENTRY PROCEDURES--Table of Contents Subpart A--Automated Broker Interface Sec. 143.4 Confidentiality of data. The electronic data received and exchanged by a service bureau shall be considered confidential, and the service bureau shall maintain the accuracy of data received in the process of formatting and transmitting such data on behalf of a filer, and shall not disclose this data or any information connected therewith to any persons other than the filer or Customs (see Sec. 111.24 of this chapter).