CFR > Title 21 - Food and Drugs > CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER B—FOOD FOR HUMAN CONSUMPTION (parts 100 to 191) > PART 111—CURRENT GOOD MANUFACTURING PRACTICE IN MANUFACTURING, PACKAGING, LABELING, OR HOLDING OPERATIONS FOR DIETARY SUPPLEMENTS > SUBPART K—Production and Process Control System: Requirements for Manufacturing Operations (§111.353 to §111.375) > 111.353—What are the requirements under this subpart K for written procedures?

111.353—What are the requirements under this subpart K for written procedures?

You must establish and follow written procedures for manufacturing operations.