Each member of the Commission who is not otherwise in the service of the Government of the United States shall receive a sum equivalent to the compensation paid at level IV of the Executive Schedule under section 5315 of title 5, prorated on a daily basis for time spent in the work of the Commission.
Each member of the Commission who is otherwise in the service of the Government of the United States shall serve without compensation in addition to that received for such other service, but while engaged in the work of the Commission shall be paid actual travel expenses and per diem in lieu of subsistence expenses when away from such member’s usual place of residence, under subchapter I of chapter 57 of title 5.
The Commission shall not accept or use the services of voluntary or uncompensated persons. This limitation shall apply with respect to services of members of the Commission as it does with respect to services by other persons.
All Federal agencies shall cooperate fully with the Commission to the end that it may effectively carry out its functions and duties.