If you can prove that a second-hand yacht from a third country has been in service, or has been sold in any of the regions listed below, before 16th June 1998 you are in a position to claim exemption from the requirements of the RCD
Description - A New Approach Product Directive 94/25/EC. Adopted in the UK in Consumer Protection law. Statutory Instrument 1996 - No. 1353
Contrary to popular belief, the principal goal of European Product Directives is not to improve levels of safety in European products. Indeed, many nations claim that the levels of safety imposed by such Directives are inferior to their previous national requirements. The European Directives are born from the need to facilitate a single market between the EU member states.
Archived news in 'Boats CE Marking Service - European Product Directives'
2004