Ćalasan was reportedly involved in the negotiations between the two parties since the fall of 2004 at which time Serbia and Montenegro was represented by its defence minister Prvoslav Davinić and its president Svetozar Marović.
On 13 November 2003, he visited Sarajevo and issued another apology, this time to citizens of Bosnia-Herzegovina on behalf of citizens of Serbia-Montenegro, for "any evil or calamity that anyone in Bosnia-Herzegovina suffered at the hands of anyone from Serbia-Montenegro".
Svetozar Marović | Svetozar Gligorić | Svetozar Ćorović | Svetozar Miletić | Svetozar Marković | Svetozar Boroević | Dražen Marović | Bojan Marović |
After being forced out of power in early 1989 by Milo Đukanović, Svetozar Marović and Momir Bulatović in the wake of "anti-bureaucratic revolution", the 58-year-old Ivanović semi-retired from politics though he still continued holding official rank and fringe influence within Democratic Party of Socialists of Montenegro (transformed Montenegrin branch of Yugoslav Communist League) for some time afterwards.
He was chosen as representative in the Parliament four times, and deputy speaker of the Parliament for three mandates of which he served under Svetozar Marović, Filip Vujanović and current speaker of parliament, Ranko Krivokapić.