Opinion in case C-277/99 - Doris Kaske v Landesgeschäftsstelle des Arbeitsmarktservice Wien

References for a preliminary ruling from the Verwaltungsgerichtshof – Austria

Social security for migrant workers - Unemployment insurance - Replacing social security conventions concluded between Member States with Regulation (EEC) No 1408/71 - Preservation of advantages enjoyed previously as a result of a combination of domestic law and the law of the relevant convention - Free movement of workers