However, there was and are parties with other regulations on membership. The basic units of communist parties for instance were often organised through corporate cells and according to the occupation of its members in companies and authorities. The British Labour party is the most famous example of partially indirect membership. Until the 1990s, the Labour Party had approximately 3 direct party members and another approximately 4 million "indirect" members of what were known as affiliated trade unions" and other organisations. These members paid a contribution to the Labour Party and controlled 50% of the votes in party conventions.