Definition(s)
Major Non-Conformity
Major non-conformity means an identifiable deviation that poses a serious threat to the safety of personnel or the ship or a serious risk to the environment that requires immediate corrective action and includes the lack of effective and systematic implementation of a requirement of this Code.
Source: IMO Resolution MSC.104(73), amendments to the International Management Code for the Safe Operation of Ships and for Pollution Prevention (International Safety Management (ISM) Code), 5 December 2000, International Maritime Organization. Legislation