High Quality Content by WIKIPEDIA articles! The Brazilian Catholic Apostolic Church is an independent Catholic church established in 1945 by Brazilian bishop Dom Carlos Duarte Costa, a former Roman Catholic Bishop of Botucatu. The ICAB has 58 dioceses and claims five million members in 17 countries. Its current head is Patriarch Dom Luis Fernando Castillo Mendez,Igrejas Católicas Apostólicas Nacionais}}; ICAN), a loose communion of churches in 14 countries.