---
kind: "section"
citation: "21 C.F.R. § 211.173"
title: "21"
number: "211.173"
heading: "Laboratory animals."
url: "https://uscodex.org/cfr/21/211.173"
---

# §211.173. Laboratory animals.


Animals used in testing components, in-process materials, or drug products for compliance with established specifications shall be maintained and controlled in a manner that assures their suitability for their intended use. They shall be identified, and adequate records shall be maintained showing the history of their use.


## Notes

### Authority

Authority: 21 U.S.C. 321, 351, 352, 355, 360b, 360ddd, 360ddd-1, 371, 374; 42 U.S.C. 216, 262, 263a, 264.

### Source

Source: 43 FR 45077, Sept. 29, 1978, unless otherwise noted.