---identifier: "/us/cfr/t28/s28.21"source: "ecfr"legal_status: "authoritative_unofficial"title: "28 CFR § 28.21 - Purpose."title_number: 28title_name: "Judicial Administration"section_number: "28.21"section_name: "Purpose."chapter_name: "DEPARTMENT OF JUSTICE"part_number: "28"part_name: "DNA IDENTIFICATION SYSTEM"positive_law: falsecurrency: "2026-03-24"last_updated: "2026-03-24"format_version: "1.1.0"generator: "[email protected]"authority: "28 U.S.C. 509, 510; 34 U.S.C. 12592, 40702, 40703; 10 U.S.C. 1565; 18 U.S.C. 3600A; Public Law 106-546, 114 Stat. 2726; Public Law 107-56, 115 Stat. 272; Public Law 108-405, 118 Stat. 2260; Public Law 109-162, 119 Stat. 2960; Public Law 109-248, 120 Stat. 587; Public Law 115-50, 131 Stat. 1001."regulatory_source: "Order No. 2699-2003, 68 FR 74858, Dec. 29, 2003, unless otherwise noted."cfr_part: "28"---
Identifier
/us/cfr/t28/s28.21
Currency
2026-03-24
Positive Law
No
Updated
2026-03-24
Chapter
Department of Justice
Authority
28 U.S.C. 509, 510; 34 U.S.C. 12592, 40702, 40703; 10 U.S.C. 1565; 18 U.S.C. 3600A; Public Law 106-546, 114 Stat. 2726; Public Law 107-56, 115 Stat. 272; Public Law 108-405, 118 Stat. 2260; Public Law... 28 U.S.C. 509, 510; 34 U.S.C. 12592, 40702, 40703; 10 U.S.C. 1565; 18 U.S.C. 3600A; Public Law 106-546, 114 Stat. 2726; Public Law 107-56, 115 Stat. 272; Public Law 108-405, 118 Stat. 2260; Public Law 109-162, 119 Stat. 2960; Public Law 109-248, 120 Stat. 587; Public Law 115-50, 131 Stat. 1001.
# 28.21 Purpose.Section 3600A of title 18 of the United States Code (“section 3600A”) requires the Government to preserve biological evidence that was secured in the investigation or prosecution of a Federal offense, if a defendant is under a sentence of imprisonment for such offense, subject to certain limitations and exceptions. The general purpose of this requirement is to preserve biological evidence for possible DNA testing under 18 U.S.C. 3600. Subsection (e) of section 3600A requires the Attorney General to promulgate regulations to implement and enforce section 3600A, including appropriate disciplinary sanctions to ensure that employees comply with such regulations.