(8)Ships which have been refused access to Member States' ports under Council Directive 95/21/EC of 19 June 1995, concerning the enforcement, in respect of shipping using Community ports and sailing in the waters under the jurisdiction of the Member States, of international standards for ship safety, pollution prevention and shipboard living and working conditions (port State control) [4] or which have been detained more than once following an inspection in the port during the three years preceding the application for registration should not be able to benefit from the possibility of being transferred under the simplified system to another register within the Community.