21 CFR § 58.47 - Facilities for handling test and control articles.

---
identifier: "/us/cfr/t21/s58.47"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 58.47 - Facilities for handling test and control articles."
title_number: 21
title_name: "Food and Drugs"
section_number: "58.47"
section_name: "Facilities for handling test and control articles."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "A"
subchapter_name: "GENERAL"
part_number: "58"
part_name: "GOOD LABORATORY PRACTICE FOR NONCLINICAL LABORATORY STUDIES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 342, 346, 346a, 348, 351, 352, 353, 355, 360, 360b-360f, 360h-360j, 371, 379e, 381; 42 U.S.C. 216, 262, 263b-263n."
regulatory_source: "43 FR 60013, Dec. 22, 1978, unless otherwise noted."
cfr_part: "58"
---


# 58.47 Facilities for handling test and control articles.

(a) As necessary to prevent contamination or mixups, there shall be separate areas for:

(1) Receipt and storage of the test and control articles.

(2) Mixing of the test and control articles with a carrier, e.g., feed.

(3) Storage of the test and control article mixtures.

(b) Storage areas for the test and/or control article and test and control mixtures shall be separate from areas housing the test systems and shall be adequate to preserve the identity, strength, purity, and stability of the articles and mixtures.