((a)) All moneys under the control of Federal Prison Industries, or received from the sale of the products or by-products of such Industries, or for the services of federal prisoners, shall be deposited or covered into the Treasury of the United States to the credit of the Prison Industries Fund and withdrawn therefrom only pursuant to accountable warrants or certificates of settlement issued by the Government Accountability Office.

((b)) All valid claims and obligations payable out of said fund shall be assumed by the corporation.

((c)) The corporation, in accordance with the laws generally applicable to the expenditures of the several departments, agencies, and establishments of the Government, is authorized to employ the fund, and any earnings that may accrue to the corporation—

((1)) as operating capital in performing the duties imposed by this chapter;

((2)) in the lease, purchase, other acquisition, repair, alteration, erection, and maintenance of industrial buildings and equipment;

((3)) in the vocational training of inmates without regard to their industrial or other assignments;

((4)) in paying, under rules and regulations promulgated by the Attorney General, compensation to inmates employed in any industry, or performing outstanding services in institutional operations, not less than 15 percent of such compensation for any inmate shall be reserved in the fund or a separate account and made available to assist the inmate with costs associated with release from prison, and compensation to inmates or their dependents for injuries suffered in any industry or in any work activity in connection with the maintenance or operation of the institution in which the inmates are confined.

((d)) Accounts of all receipts and disbursements of the corporation shall be rendered to the Government Accountability Office for settlement and adjustment, as required by the Comptroller General.

((e)) Such accounting shall include all fiscal transactions of the corporation, whether involving appropriated moneys, capital, or receipts from other sources.

((f)) Funds available to the corporation may be used for the lease, purchase, other acquisition, repair, alteration, erection, or maintenance of facilities only to the extent such facilities are necessary for the industrial operations of the corporation under this chapter. Such funds may not be used for the construction or acquisition of penal or correctional institutions, including camps described in section 4125.