1 The Maritime Safety Committee, at its ninety-sixth session (11 to 20 May 2016), in
order to facilitate global and consistent implementation of requirements concerning
sill and coaming heights for openings on top of deckhouses and companionways of the
1988 Load Lines Protocol, approved Unified interpretations relating to the
Protocol of 1988 relating to the International Convention on Load Lines, 1966
(MSC.1/Circ.1535), prepared by the Sub-Committee on Ship Design and
Construction, at its third session.
2 The Maritime Safety Committee, at its 101st session (5 to 14 June 2019), approved
amendments to MSC.1/Circ.1535 to include text regarding the unified interpretations
of regulation 27(13)(e) of the 1988 Load Lines Protocol, prepared by the
Sub-Committee on Ship Design and Construction, at its sixth session
(MSC.1/Circ.1535/Rev.1).
3 The Maritime Safety Committee, at its 105th session (20 to 29 April 2022), approved
amendments to the unified interpretations set out in MSC.1/Circ.1535/Rev.1, to
include text regarding the unified interpretation of regulation 37(3) of the 1988
Load Lines Protocol, prepared by the Sub-Committee on Ship Design and Construction,
at its eighth session. The amended text of the Unified Interpretations is set out in
the annex.
4 Member States are invited to apply the annexed unified interpretations and to bring
them to the attention of all parties concerned.
5 This circular revokes MSC.1/Circ.1535/Rev.1.