Unified Interpretations

Definition

Unified Interpretations are adopted resolutions on matters arising from implementing the requirements of IMO Conventions or Recommendations. Such adopted resolutions can involve uniform interpretations of Convention Regulations or IMO Resolutions on those matters which in the Convention are left to the satisfaction of the Administration or vaguely worded.

Interpretations are circulated to Administrations concerned or are sent to IMO for information, as appropriate.

Foreword

  1. IACS, as an international Non-Governmental Organization having observer status at IMO, works in co-operation with IMO in order to endeavour that regulations developed at IMO are clear, unambiguous and can easily be applied without the need of interpretations.
  2. However, interpretations may still be needed in cases where IMO regulations contain only functional requirements, allow alternative solutions to prescriptive requirements, are left to the satisfaction of Administrations or are generally or vaguely worded.
  3. The following Unified Interpretations (UIs) have been developed by IACS to assist the unified implementation of IMO regulations falling in the above-mentioned cases. It should be noted that the development of IACS Unified Interpretations (UIs) is not aiming at introducing additional requirements but at achieving uniform application of IMO regulations.
  4. IACS UIs are to be applied by IACS Societies to ships whose flag Administrations have not issued definite instructions on the interpretation of the IMO regulations concerned, in the course of statutory certification on behalf of those flag Administrations.

The technical backgrounds (development histories) of Unified Interpretations since 2004 can be found by following this link.

A list of the IACS working groups responsible for each Unified Interpretation may be found here.

UI SC182 Rev1 CLN

UI SC182 Bulk carriers not complying with SOLAS XII/9 as of 1 January 2004 (Chapter XII, Regulation 9) - Rev.1 Nov 2005

UI SC183 Rev1 CLN

UI SC183 Endorsement of Certificates with the Date of Completion of the Survey on which they are Based - Rev.1, Nov. 2005

UI SC184 Rev1 CLN

UI SC184 Machinery Installations – Dead Ship Condition SOLAS Regulation II-1/26.4 - Rev.1 Nov 2005

UI SC185 Rev1 CLN

UI SC185 Starting Arrangements for Emergency Generating Sets SOLAS Regulation II-1/44, paragraph 1 - Rev.1 Nov 2005

UI SC186 Corr1 CLN

UI SC186 Acceptable voltage variations in voltage when the emergency loads are supplied from a battery via an electronic converter/inverter (Reg.II-1/42.3.2.1, 42.4, 43.3.2.1 & 43.4) Reg.II-1/42.3.2.1 - Corr.1 January 2010 Clean

UI SC187 New

UI SC187 Electric steering gear overload alarm (Reg.II-1/30.3) SOLAS Reg.II-1/30.3 - May 2004

UI SC188 Rev3 CLN

UI SC188 Segregation of Cargo Oil Tanks (Reg.II-2/4.5.1.1) SOLAS Reg. II-2/4.5.1.1 - Rev3 July 2015 Clean

UI SC189 New

UI SC189 High pressure oil fuel delivery lines on small engines (SOLAS chapter II-2, regulations 15.2.9 and 15.2.12 (Resolution MSC.31(63)) - May 2004

UI SC190 New

UI SC190 IACS Unified Interpretations (UI) SC 190 for Application of SOLAS Regulation II-1/3-6 (Res MSC.134(76)) and Technical Provisions on Permanent Means of Access (Res MSC.133(76)) - April 2004

UI SC191 Rev7 Corr3 CLN

UI SC191 for the application of amended SOLAS regulation II- 1/3-6 (resolution MSC.151(78)) and revised Technical provisions for means of access for inspections (resolution MSC.158(78)) - Rev.7 Corr.3 January 2017 Clean

UI SC192 New

UI SC192 Arrangement of galley ducts SOLAS Reg.II-2/9.7.2.1 - December 2004

UI SC194 New

UI SC194 Installation of electrical and electronic appliances on the bridge and vicinity of the bridge Regulation SOLAS V/17, Electromagnetic compatibility - September 2005

UI SC195 Deleted

UI SC195 Performance Standards For Universal Automatic Identification Systems (AIS) (SOLAS Reg.V/18.2) Deleted and Re-categorised as Rec 93 (Dec 2006).

UI SC196 New

UI SC196 Document of compliance for the carriage of dangerous goods (DoC) (Reg.II-2/19.4) - March 2005

UI SC197 Rev1 CLN

UI SC197 Non-combustible cargoes (Reg.II-2/10.7.1.4) - Rev.1 Aug 2006

UI SC198 New

UI SC198 Sections in local application fire extinguishing systems (Reg.II-2/10.5.6.3) - June 2005

UI SC199 New

UI SC199 Fire fighting systems in cargo sampling lockers (Reg.II-2/10.6.3.2) - June 2005

UI SC200 New

UI SC200 Container storage arrangement for equivalent fixed gas fire extinguishing systems (FSS Code, Ch. 5, 2.5) - June 2005

UI SC201 Rev1 CLN

UI SC201 Location of paint lockers within cargo block (SOLAS regulations II-2/4.5.1.2 and 4.5.1.3, IBC Code regulation 3.2.1) - Rev.1 Apr 2006

UI SC203 Corr1 CLN

UI SC203 Carriage requirements for shipborne navigational systems and equipment - Corr.1 May 2007

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