Rwanda’s international volleyball referee Innocent Nshimiyimana has been appointed to officiate at the Women’s U23 World Championships slated for October 1-13 in Mexico."I am happy because this is another milestone in my career as an international referee and I hope to do a god job in Mexico,” he told this paper on Saturday.The championships will attract 12 countries divided in two groups. Pool A has hosts Mexico, Japan, Italy, Dominican Republic, Turkey and Argentina  and will play at the High Performance Centre in Tijuana.Pool B, which consists of the United States of America, Brazil, China, Cuba, Germany and Kenya, will play their matches at the State Auditorium in Mexicali.