These parties are tightly controlled and do not challenge the Communist Party .
Members of the parties often individually are found in policy - making national institutions , and there is a convention that state institutions generally have at least one sinecure from a minor political party .
Although these parties are tightly controlled and do not challenge the Communist Party , members of the parties often individually are found in policy - making national institutions , and there is a convention that state institutions generally have at least one sinecure from a minor political party .