Section 50. Examining Committee, Special Examiners and Special Investigators. —

Subject to approval by the proper head of department or agency, the Commission may select suitable persons in the government service to act as members of examining committees, special examiners or special investigators. Such persons shall be designated examiners or investigators of the Commission and shall perform such duties as the Commission may require, and in the performance of such duties they shall be under its exclusive control. Examining committees, special examiners or special investigators so designated may be given allowances or per diems for their services, to be paid out of the funds of, and at a rate to be determined by, the Commission.