1 The Maritime Safety Committee, at its ninety-eighth session (7 to 16 June 2017), with a
view to providing more specific guidance on special requirements for vehicle ferries,
ro-ro ships and other ships of similar type, and on the drainage of enclosed spaces
situated on the bulkhead deck, approved the unified interpretations of SOLAS chapter
II-1, 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 interpretations as guidance when
applying SOLAS regulations II-1/17-1, II-1/20-2 and II-1/35-1, and to bring the unified
interpretations to the attention of all parties concerned.