1 The Maritime Safety Committee, at its ninety-second session (12 to 21
June 2013), approved unified interpretations of the provisions of SOLAS chapters
II-1 and XII, of the Technical provisions for means of access for
inspections (resolution MSC.158(78)) and of the Performance standards
for water level detectors on bulk carriers and single hold cargo ships other
than bulk carriers (resolution MSC.188(79)), as set out in the annex to MSC.1/Circ.1464/Rev.1 and in Corr.1, following the
recommendations made by the Sub-Committee on Ship Design and Equipment at its
fifty-seventh session, with a view to ensuring a uniform approach towards the
application of the provisions of SOLAS chapters II-1 and XII.
2 The Maritime Safety Committee, at its ninety-fifth session (3 to 12
June 2015), with a view to providing more specific guidance on the application of
SOLAS regulation II-1/3-6.3.1, as amended, and the revised
Technical provisions for means of access for inspections (resolution MSC.158(78)), approved amendments to the Unified
interpretations of the provisions of SOLAS chapters II-1 and XII, of the
Technical provisions for means of access for inspections (resolution
MSC.158(78)) and of the Performance standards for water level detectors on bulk
carriers and single hold cargo ships other than bulk carriers (resolution
MSC.188(79)) (MSC.1/Circ.1464/Rev.1), as prepared by the Sub-Committee on Ship Design
and Construction, at its second session (16 to 20 February 2015), as set out in the
annex to MSC.1/Circ.1507.
3 The Maritime Safety Committee, at its ninety-sixth session (11 to 20
May 2016), approved the unified interpretations relating to the application of SOLAS regulation II-1/3-6, as amended, and the
Revised technical provisions for means of access for inspections (resolution MSC.158(78)), prepared by the Sub-Committee on
Ship Design and Construction, at its third session (18 to 22 January 2016), as set
out in the annex to MSC.1/Circ.1545, with a view to ensuring a uniform approach
towards the application of the provisions of SOLAS regulation II-1/3-6. Having approved
MSC.1/Circ.1545 and considered the need to consequentially amend MSC.1/Circ.1464/Rev.1 and its Corr.1, as amended by MSC.1/Circ.1507, the Committee requested the Secretariat to
prepare a consolidated MSC circular containing the provisions of MSC.1/Circ.1464/Rev.1 and Corr.1, as amended by MSC.1/Circ.1507, and MSC.1/Circ.1545.
4 The Maritime Safety Committee, at its ninety-eighth session (7 to 16
June 2017), approved the unified interpretations of the provisions of SOLAS chapters
II-1 and XII, of the Revised technical provisions for means of
access for inspections (resolution MSC.158(78)) and of the Performance
standards for water level detectors on bulk carriers and single hold cargo ships
other than bulk carriers (resolution MSC.188(79)), containing the provisions of MSC.1/Circ.1464/Rev.1 and Corr.1, as amended by MSC.1/Circ.1507, and MSC.1/Circ.1545.
5 The Maritime Safety Committee, at its 102nd session (4 to 11 November 2020),
approved amendments to section 3, prepared by the Sub-Committee on Ship Design and
Construction, at its seventh session (3 to 7 February 2020). The revised unified
interpretations are set out in the annex.
6 Member States are invited to use the annexed interpretations when
applying relevant provisions of SOLAS chapters II-1 and XII to ships constructed on or after 9 June 2017, and to
bring them to the attention of all parties concerned.