More differences than similarities emerge when comparing selected House and Senate rules of procedure for referring legislation to committees, and for scheduling, raising and considering measures on the floor. While the House uses four calendars (Union, House, Private, Discharge), the Senate only employs two calendars (Legislative and Executive). The House's system of special days for considering certain types of measures (e.g., "District Days") has no equivalent in the Senate. In making scheduling decisions, the Speaker typically consults only with majority party leaders and selected Representatives whereas the Senate Majority Leader confers broadly with minority party leaders and interested Senators. The Speaker's dual position as leader of the majority party and the House's presiding officer gives him more authority to govern floor proceedings than the Senate's presiding officer. While debate time is always restricted in the House, individual Senators generally have the right to unlimited debate. Most noncontroversial measures are approved by "suspension of the rules" in the House, and by unanimous consent in the Senate. Floor consideration of major bills is generally governed by "special rules" in the House, and by "complex unanimous consent agreements" in the Senate. The House typically meets in the Committee of the Whole to consider ...