Public procurement is an important segment of any modern economy, and an effective public procurement system is necessary to achieve free market goals and ensure conditions of competition. Denotes a procedure in which a contracting authority, which does not independently acquire financial resources but is a direct or indirect user of the state or local budget, orders goods, services or works from private bidders, which directly connects the public and private sectors. Public procurement law is an important part of every country's legal system. Through public procurement procedures, the state ensures the performance of almost all its public functions, procuring goods, works and services of importance for its activities. Thus, public procurement uses a significant part of the state budget, and it represents a large part of government spending, but also a significant part of general economic activity in each country.The implementation of the public procurement process The Republic of Croatia has started to apply the acquis communautaire with accession negotiations for EU membership. Management of public procurement for the procurement of goods, works and services in the Republic of Croatia, as well as legal protection, are regulated by the Public Procurement Act (OG 120/16).