29 CFR § 1921.20 - Subpoenas.

---
identifier: "/us/cfr/t29/s1921.20"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "29 CFR § 1921.20 - Subpoenas."
title_number: 29
title_name: "Labor"
section_number: "1921.20"
section_name: "Subpoenas."
chapter_name: "OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR"
part_number: "1921"
part_name: "RULES OF PRACTICE IN ENFORCEMENT PROCEEDINGS UNDER SECTION 41 OF THE LONGSHOREMEN'S AND HARBOR WORKERS' COMPENSATION ACT"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Sec. 41, Longshoremen's and Harbor Workers' Compensation Act (33 U.S.C. 941); 5 U.S.C. 301."
regulatory_source: "27 FR 4165, May 2, 1962, unless otherwise noted. Redesignated at 28 FR 7909, Aug. 2, 1963, and further redesignated at 36 FR 25232, Dec. 31, 1971."
cfr_part: "1921"
---


# 1921.20 Subpoenas.

All applications for subpoenas ad testificandum and subpoenas duces tecum shall be made in writing to the hearing examiner. Application for subpoenas duces tecum shall specify as exactly as possible the documents to be produced, showing their general relevancy and reasonable scope.