The Bulgarian National or BNT is the public broadcaster of Bulgaria. BNT was founded in 1959 and started broadcasting on December 26 of the same year. It was the first television service to broadcast on the territory of Bulgaria. BNT is a member of International Radio and Television Organization (to 31 December 1992), European Broadcasting Union (from 1 January 1993), EGTA, IMZ, CIRCOM Regional, FIAT and BBLF. The Bulgarian National Television broadcasts on four different themed channels. BNT operates in accordance with the Radio and Television Act. BNT is a legal entity based in Sofia and it is the national public service broadcaster and communications operator. As a public service broadcaster, the main purpose of BNT is to deliver a broad range of news and programming that keeps its audience informed about important issues and events in the areas of politics, economics, business, culture, science and education.