---
kind: "section"
citation: "30 C.F.R. § 57.4101"
title: "30"
number: "57.4101"
heading: "Warning signs."
url: "https://uscodex.org/cfr/30/57.4101"
---

# §57.4101. Warning signs.


Readily visible signs prohibiting smoking and open flames shall be posted where a fire or explosion hazard exists.


## Notes

### Authority

Authority: Sec. 101, Federal Mine Safety and Health Act of 1977, Pub. L. 91-173 as amended by Pub. L. 95-164, 91 Stat. 1291 (30 U.S.C. 811).

### Authority

Authority: 30 U.S.C. 811.

### Source

Source: 50 FR 4082, Jan. 29, 1985, unless otherwise noted.