[Code of Federal Regulations] [Title 46, Volume 2] [Revised as of October 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR45.135] [Page 84] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 45_GREAT LAKES LOAD LINES--Table of Contents Subpart D_Conditions of Assignment Sec. 45.135 Hull openings at or below freeboard deck. Closures for hull openings at or below the freeboard deck must be as strong as the structure to which they are attached and must be watertight.