2 U.S.C. § 5102
Appointment of consultants by Speaker, Majority Leader, and Minority Leader of House; compensation
(a)
The Speaker, Majority Leader, and Minority Leader of the House of Representatives are each authorized to appoint and fix the compensation of one consultant, on a temporary or intermittent basis, at a daily rate of compensation not in excess of the per diem equivalent of the highest gross rate of annual compensation which may be paid to employees of a standing committee of the House.
(b)
This section shall apply with respect to fiscal year 1999 and each succeeding fiscal year.
( Pub. L. 105–275, title I, § 107 , Oct. 21, 1998 , 112 Stat. 2439 .)