((a)) Such commodity set-aside shall be reduced by disposals made in accordance with the directions of the President as follows:

((1)) Donation, sale, or other disposition for disaster or other relief purposes outside the United States pursuant to and subject to the limitations of subchapter III of chapter 41 of this title;

((2)) Sale or barter (including barter for strategic materials) to develop new or expanded markets for American agricultural commodities, including but not limited to disposition pursuant to and subject to the limitations of subchapter II of chapter 41 of this title;

((3)) Donation to school-lunch programs;

((4)) Transfer to the National Defense Stockpile established by the Strategic and Critical Materials Stock Piling Act ( et seq.), without reimbursement from funds appropriated for the purposes of that Act;

((5)) Donation, sale, or other disposition for research, experimental, or educational purposes;

((6)) Donation, sale, or other disposition for disaster relief purposes in the United States or to meet any national emergency declared by the President; and

((7)) Sale for unrestricted use to meet a need for increased supplies at not less than 105 per centum of the parity price in the case of agricultural commodities and a price reflecting 105 per centum of the parity price of the agricultural commodity in the case of products of agricultural commodities.

((b)) The quantity of any commodity in the commodity set-aside shall be reduced to the extent that the Commodity Credit Corporation inventory of such commodity is reduced, by natural or other cause beyond the control of the Corporation, below the quantity then charged to the commodity set-aside.