[Code of Federal Regulations] [Title 28, Volume 1] [Revised as of July 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 28CFR22.25] [Page 426] TITLE 28--JUDICIAL ADMINISTRATION CHAPTER I--DEPARTMENT OF JUSTICE PART 22_CONFIDENTIALITY OF IDENTIFIABLE RESEARCH AND STATISTICAL INFORMATION--Table of Contents Sec. 22.25 Final disposition of identifiable materials. Upon completion of a research or statistical project the security of identifiable research or statistical information shall be protected by: (a) Complete physical destruction of all copies of the materials or the identifiable portion of such materials after a three-year required recipient retention period or as soon as authorized by law, or (b) Removal of identifiers from data and separate maintenance of a name-code index in a secure location. The Privacy Certificate shall indicate the procedures to be followed and shall, in the case of paragraph (b) of this section, describe procedures to secure the name index.