CFR > Title 21 - Food and Drugs > CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER C—DRUGS: GENERAL (parts 200 to 299) > PART 225—CURRENT GOOD MANUFACTURING PRACTICE FOR MEDICATED FEEDS > SUBPART G—Product Quality Assurance (§225.142 to §225.165) > 225.165—Equipment cleanout procedures.