[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: 33CFR155.120]

[Page 372-373]
 
                TITLE 33--NAVIGATION AND NAVIGABLE WATERS
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 155--OIL OR HAZARDOUS MATERIAL POLLUTION PREVENTION REGULATIONS FOR 
VESSELS--Table of Contents
 
                           Subpart A--General
 
Sec. 155.120  Equivalents.

    (a) For ships required to be surveyed under Sec. 151.17 of this 
chapter, the Commandant may, upon receipt of a written request, allow 
any fitting, material, appliance or apparatus to be fitted in a ship as 
an alternative to that required by both MARPOL 73/78 and subpart B of 
this part if such fitting, material, appliance, or apparatus is at least 
as effective as that required by subpart B. Substitution of operational 
methods to control the discharge of oil in place of those design and 
construction features prescribed by MARPOL 73/78 that are also 
prescribed by subpart B of this part is not allowed.
    (b) Any equivalent to a feature prescribed by MARPOL 73/78 that is 
authorized for a ship having an IOPP Certificate is noted on that 
Certificate.
    (c) For tank vessels required to have overfill devices installed 
under parts

[[Page 373]]

155 and 156 of this chapter, the Commandant may, upon receipt of a 
written request, allow any fitting, material, appliance, or apparatus to 
be fitted in a tank vessel as an alternative to the required overfill 
device(s) that are specified in these parts if the proposed alternative 
device is at least as effective as that required in the regulations.

[CGD 75-124a, 48 FR 45714, Oct. 6, 1983, as amended by CGD 90-071a, 59 
FR 53290, Oct. 21, 1994]