The aim of the thesis is to analyse how the EU perceives the specific contribution of Churches to the European integration as stated in the Article 17.3 of the TFEU. The specific contribution is analysed on the case of Roman Catholic Church (RCC) which predominates in the dialogue under the Article 17.3. There are two time periods addressed in the thesis. Firstly, the specific contribution is addressed in the context of the debate on the EU constitution. It is examined, based on the analysis of politicians' speeches and MEPs amendments, whether the specificity is rooted in the area of values. Second period is marked by the year 2009 when the TFEU entered into force, and 2014 when the dialogue with Churches was somewhat degraded. In fact, the new body responsible for the interaction became DG JUST, thereby replacing BEPA, i.e. organization directly reporting to the President of the Commission. Based on the analysis of the speeches and other relevant documents regard all the official meetings, I examine what the EU politicians expected from the Church and what was Her specificity according to them. Against this background is also analysed the fact that the dialogue with Churches was separated from the civil society organizations. It results from the research that the EU perceived the specific...