---
kind: "section"
citation: "21 C.F.R. § 111.135"
title: "21"
number: "111.135"
heading: "What quality control operations are required for product complaints?"
url: "https://uscodex.org/cfr/21/111.135"
---

# §111.135. What quality control operations are required for product complaints?


Quality control operations for product complaints must include reviewing and approving decisions about whether to investigate a product complaint and reviewing and approving the findings and followup action of any investigation performed.


## Notes

### Authority

Authority: 21 U.S.C. 321, 342, 343, 371, 374, 381, 393; 42 U.S.C. 264.

### Source

Source: 72 FR 34942, June 25, 2007, unless otherwise noted.