21 CFR § 211.87 - Retesting of approved components, drug product containers, and closures.

---
identifier: "/us/cfr/t21/s211.87"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 211.87 - Retesting of approved components, drug product containers, and closures."
title_number: 21
title_name: "Food and Drugs"
section_number: "211.87"
section_name: "Retesting of approved components, drug product containers, and closures."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "C"
subchapter_name: "DRUGS: GENERAL"
part_number: "211"
part_name: "CURRENT GOOD MANUFACTURING PRACTICE FOR FINISHED PHARMACEUTICALS"
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. 321, 351, 352, 355, 360b, 360ddd, 360ddd-1, 371, 374; 42 U.S.C. 216, 262, 263a, 264."
regulatory_source: "43 FR 45077, Sept. 29, 1978, unless otherwise noted."
cfr_part: "211"
---


# 211.87 Retesting of approved components, drug product containers, and closures.

Components, drug product containers, and closures shall be retested or reexamined, as appropriate, for identity, strength, quality, and purity and approved or rejected by the quality control unit in accordance with § 211.84 as necessary, e.g., after storage for long periods or after exposure to air, heat or other conditions that might adversely affect the component, drug product container, or closure.