 Bello Bouba announced the formation of a new party, the National Union for Democracy and Progress in Cameroon (UNDPC), in Paris on May 25, 1990.After the party was legalized (as the UNDP) in March 1991, he returned to Cameroon on August 17, 1991.At the UNDP congress held in Garoua on January 4–5, 1992, Bello Bouba became President of the UNDP, ousting the party's previous leader, Samuel Eboua.