CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER Q—EQUIPMENT, CONSTRUCTION, AND MATERIALS: SPECIFICATIONS AND APPROVAL (parts 159 to 165) > PART 159—APPROVAL OF EQUIPMENT AND MATERIALS > SUBPART 159.007—Production Inspection and Tests of Approved Equipment and Materials (§159.007-1 to §159.007-13) > 159.007-1—Purpose.