Law on public procurement is very interesting and dynamic part of the Czech law. It is subjected to adjustment in particular Act No. 137/2006 Coll., On Public Procurement, as amended, but is also modified by legislation of the European law. Important are decisions of the European Court of Justice. This thesis entitled "Procurement from the perspective of public authority and their financial and legal aspects" deals with public procurement in particular from the perspective of public authority. The introduction explains the basic concepts and outlines some current problems. The first chapter should provide fundamental insights. The second chapter deals primarily with the relationship of public contracts to public budgets. Attention is focuse...