CFR > Title 7 - Agriculture > SUBTITLE B—Regulations of the Department of Agriculture > CHAPTER I—AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing Practices), DEPARTMENT OF AGRICULTURE (parts 27 to 206) > SUBCHAPTER E—COMMODITY LABORATORY TESTING PROGRAMS (parts 90 to 111) > PART 91—SERVICES AND GENERAL INFORMATION > SUBPART A—Administration (§91.1 to §91.3) > 91.3—Authority.