CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER H—PASSENGER VESSELS (parts 70 to 81) > PART 72—CONSTRUCTION AND ARRANGEMENT > SUBPART 72.40—Rails and Guards (§72.40-1 to §72.40-90) > 72.40-20—Guards in dangerous places.