The thesis deals with Czech and EU legal regulations regarding the provision of tour operators and travel agencies services. Special attention is given to the sale of package tours. The thesis analyzes these regulations (in particular Act no. 159/1999 Coll., on certain conditions and the provision of activities in the field of tourism) from a linguistic, systematic and historical method of interpretation. Special emphasis is placed on the state supervision, particularly the control provided by trade licensing authorities which plays the key role in the lawful application of the regulations in practice. Although the thesis aims to the conditions of the provision of tour operators and travel agencies sale of tour packages, it mentions other C...