Funds appropriated to the Conference of the Majority and funds appropriated to the Conference of the Minority for any fiscal year (commencing with the fiscal year ending September 30, 1991), may be utilized in such amounts as the Chairman of each Conference deems appropriate for the specialized training of professional staff, subject to such limitations, insofar as they are applicable, as are imposed by the Committee on Rules and Administration with respect to such training when provided to professional staff of standing committees of the Senate.