CFR > Title 33 - Navigation and Navigable Waters > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER H—MARITIME SECURITY (parts 101 to 107) > PART 106—MARINE SECURITY: OUTER CONTINENTAL SHELF (OCS) FACILITIES > SUBPART A—General (§106.100 to §106.145) > 106.140—Maritime Security (MARSEC) Directive.