Procurement law creates fair competition by forcing companies in the public sector to ensure that public works, public supply and public service contracts are procured competitively. The commercial importance of procurement is considerable and continuously increasing. As a result, public procurement procedures are subject to strict legal guidelines, and guarantee both the equal treatment of all bidders and fair competition.
Because it touches on so many other fields, procurement law is highly complex; it combines aspects of both Union law and national law, federal and regional law, public and civil law, and last but not least law, economics and technology.