[Code of Federal Regulations] [Title 33, Volume 2] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 33CFR143.201] [Page 148] TITLE 33--NAVIGATION AND NAVIGABLE WATERS CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 143--DESIGN AND EQUIPMENT--Table of Contents Subpart C--Mobile Offshore Drilling Units Sec. 143.201 Existing MODUs exempted from new design requirements. Any mobile offshore drilling unit built before, under construction on, or contracted for prior to April 5, 1982 is not required to meet the design requirements of this subpart until the unit is rebuilt. Until rebuilt, the unit must continue to comply with the design requirements applicable to the unit on April 4, 1982. [CGD 78-160, 47 FR 11011, Mar. 15, 1982]