 On January 22, 2007, Wade said that Seck had agreed to return to the ruling PDS; Seck subsequently confirmed this, but said that he would remain a presidential candidate.If he had withdrawn his candidacy, the law would have required that the election be delayed, but shortly afterwards the National Assembly voted to change the law so that a delay would not be necessary in the event of a candidate's withdrawal.Ousmane Tanor Dieng ran as the candidate of the former ruling Socialist Party (PS).