Vergabe an die Öffentliche Hand : Rekommunalisierung im Vergaberecht zwischen Daseinsvorsorge Wettbewerb und dem Grundsatz der Ausschreibungsfreiheit der Eigenerledigung »Awarding to Public Authorities«: Public authorities are increasingly appearing themselves as bidders in procurement procedures in order to remunicipalise services of general interest. Based on EU primary constitutional and public procurement law the thesis examines whether and which procurement obligations public authorities are subject to. In addition it considers possibilities of a remunicipalisation friendly design of the award procedure.