This diploma thesis deals with the regulation of the activities of banks, which has already been relatively extensive but as a result of the most recent financial crisis, it has been extended by new rules and requirements. The aim of this thesis is to clarify the essence of the basic obligations of the banks related to the entry into the banking sector and to working in the sector, and last but not least to leaving the sector and to the termination of the banking activity. All these obligations are then amended by new requirements for crisis management and the insurance of deposits, which are also based on prudential and precautionary principles and aim at maintaining the security and stability of the banking sector. This thesis is divided ...