31 CFR § 501.720 - Separation of functions.

---
identifier: "/us/cfr/t31/s501.720"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "31 CFR § 501.720 - Separation of functions."
title_number: 31
title_name: "Money and Finance: Treasury"
section_number: "501.720"
section_name: "Separation of functions."
chapter_name: "OFFICE OF FOREIGN ASSETS CONTROL, DEPARTMENT OF THE TREASURY"
part_number: "501"
part_name: "REPORTING, PROCEDURES AND PENALTIES REGULATIONS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "8 U.S.C. 1189; 18 U.S.C. 2332d, 2339B; 19 U.S.C. 3901-3913; 21 U.S.C. 1901-1908; 22 U.S.C. 287c, 2370(a), 6009, 6032, 7205, 8501-8551; 31 U.S.C. 321(b); 50 U.S.C. 1701-1706, 4301-4341; Pub. L. 101-410, 104 Stat. 890, as amended (28 U.S.C. 2461 note)."
regulatory_source: "62 FR 45101, Aug. 25, 1997, unless otherwise noted."
cfr_part: "501"
---


# 501.720 Separation of functions.

Any officer or employee engaged in the performance of investigative or prosecutorial functions for the Department in a proceeding as defined in § 501.702 may not, in that proceeding or one that is factually related, participate or advise in the decision pursuant to Section 557 of the Administrative Procedure Act, 5 U.S.C. 557, except as a witness or counsel in the proceeding.