42 USC 16847 - Staff of Commission

(a) Appointment and compensation 
The Chairman, in consultation with[1] Vice Chairman, in accordance with rules agreed upon by a Commission, may appoint and fix the compensation of a staff director and such other personnel as may be necessary to enable the Commission to carry out its functions.
(b) Detailees 
Any Federal Government employee, except for an employee of NASA, may be detailed to a Commission without reimbursement from the Commission, and such detailee shall retain the rights, status, and privileges of his or her regular employment without interruption.
(c) Consultant services 
A Commission may procure the services of experts and consultants in accordance with section 3109 of title 5, but at rates not to exceed the daily rate paid a person occupying a position at level IV of the Executive Schedule under section 5315 of title 5. Any consultant or expert whose services are procured under this subsection shall disclose any contract or association it has with NASA or any NASA contractor.
[1] So in original. Probably should be followed by “the”.