TITJUR Sedef Opinion of Mr Advocate General Ruiz-Jarabo Colomer delivered on 6 September 2005. # Mehmet Sedef v Freie und Hansestadt Hamburg. # Reference for a preliminary ruling: Bundesverwaltungsgericht - Germany. # EEC-Turkey Association - Freedom of movement for workers - Article 6 of Decision No 1/80 of the Association Council - Right to the extension of a residence permit - Conditions - Turkish national who was employed in the maritime shipping industry of a Member State for 15 years - Same employer for more than one year without interruption, but not up to the end of a period of three years - Periods of employment interrupted 17 times on account of the nature of the occupation. # Case C-230/03.