Rule XXVII of the Standing Rules of the United States Senate, established by the Senate Committee on Rules and Administration, governs committee staff.
Text of Rule XXVII 
- Staff members appointed to assist minority members of committees pursuant to authority of a resolution described in paragraph 9 of rule XXVI or other Senate resolution shall be accorded equitable treatment with respect to the fixing of salary rates, the assignment of facilities, and the accessibility of committee records.
- The minority shall receive fair consideration in the appointment of staff personnel pursuant to authority of a resolution described in paragraph 9 of rule XXVI.
- The staffs of committees (including personnel appointed pursuant to authority of a resolution described in paragraph 9 of rule XXVI or other Senate resolution) should reflect the relative number of majority and minority members of committees. A majority of the minority members of any committee may, by resolution, request that at least one-third of all funds of the committee for personnel (other than those funds determined by the chairman and ranking minority member to be allocated for the administrative and clerical functions of the committee as a whole) be allocated to the minority members of such committee for compensation of minority staff as the minority members may decide. The committee shall thereafter adjust its budget to comply with such resolution. Such adjustment shall be equitably made over a four-year period, commencing July 1, 1977, with not less than one-half being made in two years. Upon request by a majority of the minority members of any committee by resolution, proportionate space, equipment, and facilities shall be provided for such minority staff.
- No committee shall appoint to its staff any experts or other personnel detailed or assigned from any department or agency of the Government, except with the written permission of the Committee on Rules and Administration.