The NSIIC Revolving Fund established in the Treasury shall be available to the NSIIC, without fiscal year limitation, to carry out the authorized programs and activities of the NSIIC under this part. There shall be deposited in the Fund:
(a) Such amounts as may be appropriated, transferred, or otherwise made available to support programs and activities of the NSIIC;
(b) Payments received from any source for products, services, or property furnished in connection with the activities of the NSIIC;
(c) Fees and royalties collected by the NSIIC from licensing or other arrangements relating to commercialization of products developed through projects funded, in whole or part, by grants or contracts executed by the NSIIC;
(d) Donations or contributions accepted by the NSIIC to support authorized programs and activities. Such contributions shall be free from any encumbrance by the donor and the NSIIC shall retain complete control of their use; and
(e) Any other funds acquired by the NSIIC.