This Act, which is composed of 48 articles and one Annex, lays down provisions concerning functioning of network industries including electrical energy, gas industry, thermal energy and water management. The present Act establishes the status and competence of the Regulatory Office for Network Industries, obligations of persons releting to these provisions and rules of functioning of the internal market of electrical energy and the internal gas market. The purpose of this Act is to ensure the availability of goods and related regulated activities at reasonable price and specified quality.