---
kind: "unit"
title: "29"
title_heading: "Labor"
key: "subtB/chXVII/part1905"
level: "part"
label: "Part 1905"
heading: "Rules of Practice for Variances, Limitations, Variations, Tolerances, and Exemptions under the Williams-Steiger Occupational Safety and Health Act of 1970"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/29/subtB-chXVII-part1905"
sections_count: 29
---

# Part 1905 — Rules of Practice for Variances, Limitations, Variations, Tolerances, and Exemptions under the Williams-Steiger Occupational Safety and Health Act of 1970

Title 29 C.F.R. — Labor › Subtitle B — Regulations Relating to Labor › Chapter XVII — Occupational Safety and Health Administration, Department of Labor

## Contents

- [Subpart A — General](/cfr/29/subtB-chXVII-part1905-subpartA.md)
- [Subpart B — Applications for Variances, Limitations, Variations, Tolerances, Exemptions and Other Relief](/cfr/29/subtB-chXVII-part1905-subpartB.md)
- [Subpart C — Hearings](/cfr/29/subtB-chXVII-part1905-subpartC.md)
- [Subpart D — Summary Decisions](/cfr/29/subtB-chXVII-part1905-subpartD.md)
- [Subpart E — Effect of Initial Decisions](/cfr/29/subtB-chXVII-part1905-subpartE.md)