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 163—CONSTRUCTION > SUBPART 163.003—Pilot Ladder (§163.003-1 to §163.003-27) > 163.003-7—Independent laboratory.