The 24-year-old was released from the Katusha team after he refused to sign a new anti-doping agreement which would have required him to pay five times his annual salary if he were to be found in violation of the anti-doping regulations.
Dehaes, a winner of a stage of the Tour of Belgium and 4 Days of Dunkirk last year, has been given an option to extend the contract through 2011.
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