Taittinger was Minister of Budget between 7 January 1971 and 5 April 1973.

Vice-premier and Minister of Budget in the Belgian Government (July 2009-December 2011)

Minister of Budget and government spokesman : 1986-1988.

Minister of Budget and government's spokesman : 1993-1995.

Between 1992 and 1993, he was Minister of Budget.

Minister of Budget : 1981-1983.

Between May 7, 2002 and March 30, 2004 he was France's Minister of Budget.

Minister of Budget, Budget Reform and Government's spokesman : 2004-2005.

Minister of Budget, State Reform and Government's spokesman: 2005-2007.

Minister of Budget, Public Accounts and State Reform : 2010-2011.