A dynamic growth of electronic services in every area of human activity is a fact. This also applies to the ways in which enterprises communicate with public authorities. The legal regulations introduced in Poland bind enterprises to engage in electronic communication via a network of electronic public services. An analysis of the legal foundations of electronic communication between enterprises and authorities is the purpose of the article. The author defines the concept of electronic communication and how it links to electronic administration. The author presents the amended terms of serving documents in administrative proceedings. Electronic public services for enterprises are covered in the final section of the paper.