The reason is a recently adopted law.
Parliament has to adopt the new law within two years.
Mesić is forced to leave his office after the Constitutional Court rejected his appeal.
Former President Stjepan Mesić says the decision marks the victory for revisionists of fascism.
Božo Petrov also spoke about relations with HDZ and SDP, and other issues.
Minister Orepić claims he did not try to influence the Court.
In a recent interview, Interior Minister Orepić said the Constitutional Court was the greatest threat to national security.
After 25 years, the Constitutional Court has started a procedure which should end with a ruling about the legality of abortion.
Parliament abolished his office several months ago, but the former President has filed a complaint to the Constitutional Court.
It seems that constitutional crisis will be avoided after all.