The Federal Network Agency for Electricity, Gas, Telecommunications, Post and Railway is a separate higher federal authority within the scope of business of the German Federal Ministry of Economics and Technology, and has its headquarters in Bonn. On 13 July 2005 the Regulatory Authority for Telecommunications and Posts which superseded the Federal Ministry of Posts and Telecommunications (BMPT) and the Federal Office for Posts and Telecommunications (BAPT), was renamed Federal Network Agency. Moreover, it acts as the root certification authority as provided for by the Electronic Signatures Act.