“ To utilize the services of any department or other establishment or agency of the Government to the extent necessary to carry out the powers and duties of the Administration, including services of the Bureau of Internal Revenue, the Bureau of Customs, the Agricultural Adjustment Administration, and the Food and Drugs Administration. Any department, establishment, or agency whose services are so utilized may be compensated therefor from such funds as may be allocated to the Administration from moneys available for carrying out the purposes of Title I of the National Industrial Recovery Act. ”