---
kind: "section"
citation: "30 C.F.R. § 7.91"
title: "30"
number: "7.91"
heading: "Post-approval product audit."
url: "https://uscodex.org/cfr/30/7.91"
---

# §7.91. Post-approval product audit.


Upon request by MSHA, but no more than once a year except for cause, the approval holder shall make a diesel engine available for audit at no cost to MSHA.


## Notes

### Source

Source: 61 FR 55504, Oct. 25, 1996, unless otherwise noted.

### Authority

Authority: 30 U.S.C. 957.

### Source

Source: 53 FR 23500, June 22, 1988, unless otherwise noted.