The thesis is focused on proposing changes in methodological procedures relating to the public tendering administration in the selected institution and consequently also changes in the relevant legislation, especially in the terms of principles, which a public tendering authority must implement under the Act no. 137/2006, on public tendering. The work contains a theoretical and practical summarization of legal steps according the current legislation and a proposal of changes in the form of amendment of the public tendering act. Since dealing with this issue for many years, it was my attempt to incorporate my own practical experience and knowledge into the proposal of these changes. The thesis is divided into three thematic parts. In the fir...