In order to gain access to Bulgartransgaz EAD information system, it is necessary to use the means of authentication (username and password) provided to you. These means of authentication are unique for every User of the gas transmission system or Owner of any equipment directly connected to the network, who has concluded a contract with Bulgartransgaz EAD under the "General terms and conditions for access to Bulgartransgaz EAD information system for providing operational data about the transported natural gas quantities (completed hourly quantities)" and cannot be transfered.