While the concurrence of both chambers of Parliament is normally necessary for legislation to be enacted, the Dewan Rakyat holds significantly more power in practice; the Dewan Negara very rarely rejects bills that have been passed by the Dewan Rakyat and the Dewan Rakyat can bypass the Dewan Negara if it refuses to pass a specific law twice, with at least one year in between. The Cabinet is solely responsible to the Dewan Rakyat, and the prime minister only has to maintain the support of the lower house.