The Franco-Belgian agreement on cross-border cooperation
"In accordance with the Madrid Framework Agreement, the French and Belgian governments, along with those of Wallonia, Flanders and the French Community of Belgium, have negotiated and ratified an agreement setting out the terms of cross-border cooperation between territorial authorities and local public bodies. The agreement, which was signed in Brussels on 16 September 2002, is due to come into effect on 1 July 2005."