21 CFR § 111.25 - What are the requirements under this subpart D for written procedures?
---
identifier: "/us/cfr/t21/s111.25"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 111.25 - What are the requirements under this subpart D for written procedures?"
title_number: 21
title_name: "Food and Drugs"
section_number: "111.25"
section_name: "What are the requirements under this subpart D for written procedures?"
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "B"
subchapter_name: "FOOD FOR HUMAN CONSUMPTION"
part_number: "111"
part_name: "CURRENT GOOD MANUFACTURING PRACTICE IN MANUFACTURING, PACKAGING, LABELING, OR HOLDING OPERATIONS FOR DIETARY SUPPLEMENTS"
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, 342, 343, 371, 374, 381, 393; 42 U.S.C. 264."
regulatory_source: "72 FR 34942, June 25, 2007, unless otherwise noted."
cfr_part: "111"
---
# 111.25 What are the requirements under this subpart D for written procedures?
You must establish and follow written procedures for fulfilling the requirements of this subpart D, including written procedures for:
(a) Calibrating instruments and controls that you use in manufacturing or testing a component or dietary supplement;
(b) Calibrating, inspecting, and checking automated, mechanical, and electronic equipment; and
(c) Maintaining, cleaning, and sanitizing, as necessary, all equipment, utensils, and any other contact surfaces that are used to manufacture, package, label, or hold components or dietary supplements.