Retroactive Requirement

Constitutes a class or statutory requirement that will enter into force for certain vessel’s in operation and under construction at a given date or an upcoming survey. The RR will specify the required actions to be taken in order to retain class or statutory certification. RR related to statutory certification will be issued only if the Society has been authorized to carry out statutory certification on behalf of the flag administration.

Source: Rules for Classification – Offshore units, DNVGL-OU-0101, Offshore drilling and support units, DNV GL, July 2015. Global Standards

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