<P> There are four Class B standing committees: Budget; Rules and Administration; Small Business; and Veterans' Affairs . There are currently no Class C standing committees . </P> <P> Other (i.e., Indian Affairs), select and special committees are ranked as Class B or Class C committees . They are created for clearly specified purposes . There are currently two Class B committees: the Select Committee on Intelligence and the Special Committee on Aging, and two Class C committees: the Committee on Indian Affairs and the Select Committee on Ethics . </P> <P> Joint Committees are used for purposes of legislative and administrative coordination . At present there are four: the Joint Economic Committee (Class B), the Joint Committee on the Library (Class C), the Joint Committee on Printing (Class C), and the Joint Committee on Taxation (Class C). </P> <P> Standing committees in the Senate have their jurisdiction set by three primary sources: Senate Rules, ad hoc Senate Resolutions, and Senate Resolutions related to committee funding . To see an overview of the jurisdictions of standing committees in the Senate, see Standing Rules of the United States Senate, Rule XXV . </P>

How many joint committees are there in the senate