"The National Differences in the Scope include the removal of the phrase ""with a buoyancy of not less than 50 N"" as it is misleading@ according to the buoyancy minimums prescribed by Table 2DV of this Part. Additionally@ a statement that all references to ISO 12402 standards are to the requirements as modified by National Differences is added to avoid excessive number additional DVs just to account for changes in the referenced standard(s)."