In this cabinet he at first held the ministry of finance.
On the formation of the Wirth ministry in May 1921 he was appointed Minister of Reconstruction, and in that capacity negotiated with the French minister, Loucheur, a convention for supplying German materials for the restoration of the devastated area in France, and thus paying in kind part of the reparation which the German Reich had undertaken to pay in gold.
During the coalition ministry, and with this his political career may be said to have closed.
The routes nationales and the routes dpartementales come under the category of la grande voirie and are under the supervision of the Ministry of Public Works.
Combes; and on the fall of the Combes ministry in January 1905 he was invited by the president to form a new ministry.