Key EU Facts...     1963 Van Gend en Loos ECJ has right to decide whether Community Law or national law prevails.     1964 Cost v Enal European Law takes precedence over national law.     1974 Van Duyn v Home Office Principle of direct applicabilityÖ   Citizens can rely directly on an article of the Treaty of Rome which confers   rights on individuals.     1986 Marshall v Southampton A.H.A. Vertical effect of directivesÖ   In an action against the state an individual can rely on a directive which   has not been implemented.     1991 Francovich v Italy. Individual can claim compensation from the state for its failure to implement   a directive.     1996 Factortame No 4. State liable to compensate for breaches of Community law.