Lang especially wants to change the head of state, because President Paul Biya has served since he was appointed in 1982 by his predecessor who left office. President Biya first headed a one-party government and only allowed opposition political parties since 1990. Since then he has been re-elected many times. This was made possible because in 2008 the country's National Assembly voted to lift the limit on terms of office. Questions have been raised inside Cameroon and abroad about whether there was fraud in these elections.