1 The Maritime Safety Committee, at its ninety-eighth session (7 to 16 June 2017),
with a view to providing more specific guidance on the deadweight to be stated on
certificates, approved the unified interpretation of SOLAS regulations II-1/2.20 and
II-2/3.21, prepared by the Sub-Committee on Ship Design and Construction, at its fourth
session (13 to 17 February 2017), as set out in the annex.
2 Member States are invited to use the annexed unified interpretation as
guidance when applying SOLAS regulations II-1/2.20 and II-2/3.21 to determine the
regulatory deadweight to be entered on relevant statutory certificates, and to bring the
unified interpretations to the attention of all parties concerned.