Judgment of the Court of 20 February 2001 in Case C-205/99 (reference for a preliminary ruling from the Tribunal Supremo, Spain): Asociación Profesional de Empresas Navieras de Líneas Regulares (Analir) and Others v Administración General del Estado (Freedom to provide services — Maritime cabotage — Conditions for the grant and continuation of prior administrative authorisation — Concurrent application of the methods of imposing public service obligations and of concluding public service contracts)