Abstract: The subject of this research is the international legal acts in the area of acceptance and execution of decisions rendered by foreign courts, current procedural legislation of the Republic of Bulgaria, as well as research publications on this topic. The object of this research is the legal foundation and procedural actions in acceptance and execution of foreign court decisions on civil and commercial issues in the Republic of Bulgaria. The author carefully examines the rules directly related to execution and refusal to execute a court decision rendered in a member-state on the territory of Bulgaria. Special attention is given to the multiple issues pertaining to implementation of EU regulations recently passed in the area of EU civil process. Analysis of the positions dedicated to direct execution and refusal to execute a court decision is conducted in the context of the position of Brussels I Bis Regulation. The author makes following conclusions and recommendations: Bulgarian legislator needs to eliminate the difference between obligation to execute a foreign court decision and domestic court decision; it is necessary to amend the Civil Procedure Code of Bulgaria, as well as clarify the process of refusal to execute in accordance with the Article 47 of the Brussels I Bis Regulation. The author’s contribution into the research of this topic consists in the recommendation on improvements to the legal regulation and passing equal conditions for execution of foreign and national court decisions within the framework of the EU.