29 CFR § 1905.4 - Amendments to this part.

---
identifier: "/us/cfr/t29/s1905.4"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "29 CFR § 1905.4 - Amendments to this part."
title_number: 29
title_name: "Labor"
section_number: "1905.4"
section_name: "Amendments to this part."
chapter_name: "OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR"
part_number: "1905"
part_name: "RULES OF PRACTICE FOR VARIANCES, LIMITATIONS, VARIATIONS, TOLERANCES, AND EXEMPTIONS UNDER THE WILLIAMS-STEIGER OCCUPATIONAL SAFETY AND HEALTH ACT OF 1970"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Secs. 6, 8, 16, Occupational Safety and Health Act of 1970 (29 U.S.C. 655, 657, 665), Secretary of Labor's Order No. 12-71 (36 FR 8754), 8-76 (41 FR 25059), or 9-83 (48 FR 35736) as applicable."
regulatory_source: "36 FR 12290, June 30, 1971, unless otherwise noted."
cfr_part: "1905"
---


# 1905.4 Amendments to this part.

The Assistant Secretary may at any time revise, amend, or revoke any provisions of this part, on his own motion or upon the written petition of any person.