Unanimous approval simply presupposes that no representative of those present has requested a recorded vote or a quorum review. The opponent cannot agree with the proposal in question, but chooses to oppose it in order to impose a tedious formal vote, which may also involve debate.  Unanimous approval agreements are special decisions of the Senate that members of the House approve without objection. These apparatuses, fundamental to the management of the contemporary Senate, are typically used to structure land procedures and expedite house affairs. Two general types of unanimous approval permeate Senate operations: “simple” and “complex.” .