This Practice Note provides an overview of the EU public procurement regime which is set out mainly by Directive 2014/24/EU, the EU Public Contract Directive, Directive 2014/25/EU, the EU Utilities Directive, and Directive 2014/23/EU, the EU Concession Directive. It also discusses the general principles that govern this regime: equal treatment and non-discrimination, open competition, transparency, and proportionality. Finally, this Practice Note summarises additional developments on e-procurement, Green Public Procurement and support for large infrastructure projects.