1 The Maritime Safety Committee, at its ninetieth
session (16 to 25 May 2012), with a view to providing more specific
guidance for certain Rules contained in IMO instruments which are
open to different interpretations, approved the unified interpretations
of COLREG 1972, as amended, relating to Annex
I – Positioning and technical details of lights and shapes,
prepared by the Sub-Committee on Safety of Navigation, as set out
in the annex.
2 Member Governments are invited to use the annexed
unified interpretations as guidance when applying the relevant provisions
of COLREG 1972 to vessels constructed on or after 1 January 2013 and
to bring the attached unified interpretations to the attention of
all parties concerned.