MSC.1-Circ.1685-UnifiedInterpretationOfSolasChapterIi-1

INTERNATIONALEMARITIMEORGANIZATION4 ALBERT EMBANKMENTLONDON SE1 7SRTelephone:+44(0)2077357611Fax:+44(0)2075873210MSC.1/Circ.168522 January 2025UNIFIED INTERPRETATION OF SOLAS CHAPTER II-11The Maritime Safety Committee,at its 109th session(2 to 6 December 2024),with aview to providing more specific guidance on SOLAS regulation ll-1/26,approved the unifiedinterpretation of SOLAS chapter ll-1,prepared by the Sub-Committee on Ship Systems andEquipment,at its tenth session(4 to 8 March 2024),as set out in the annex.2Member States are invited to use the annexed unified interpretation as guidance whenapplying SOLAS regulation ll-1/26,and to bring the unified interpretation to the attention of allparties concerned.3This circular applies to the systems installed on passenger ships,on orafter 1 January 2026.The expression installed on or after 1 January 2026 means:(a)for passenger ships for which the building contract is placed on orafter 1 January 2026,or in the absence of the contract,constructed on orafter 1 January 2026,any installation date on the ship;or(b)for passenger ships other than those ships prescribed in (a)above,a contractual delivery date for the equipment or,in the absence of acontractual delivery date,the actual delivery date of the equipment to theship on or after 1 January 2026.I:CIRCMSC1MSC.1-Circ.1685.docx