At first, the members of CDLR distributed copies of the underground newspaper Combat in the north zone of France which was directly occupied by the Germans.
On 19 August 1944, the CDLR movement received orders to depose of the mayor of Neuilly-sur-Seine in Paris, Max Roger.
It specialised in propaganda, intelligence-gathering, and active resistance such as assisting in Allied airdrops, taking care of shot down pilots, and running arms depots.
From its creation, the leaders of the CDLR movement decided to have a strictly apolitical manner in dealing with its resistance against the occupation.
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