§1. A bishop whose resignation from office has been accepted retains the title of emeritus of his diocese and can retain a place of residence in that diocese if he so desires, unless in certain cases the Apostolic See provides otherwise because of special circumstances.
§2. The conference of bishops must take care that suitable and decent support is provided for a retired bishop, with attention given to the primary obligation which binds the diocese he has served.
Source: Code of Canon Law (Vatican.va)