In making any determination under this chapter or under the Agricultural Act of 1949 [
7 U.S.C.
1421 et seq.] with respect to the carryover of any agricultural commodity, the Secretary shall exclude from such determination the stocks of any commodity acquired pursuant to, or under the authority of, the Strategic and Critical Materials Stock Piling Act (
60 Stat. 596) [
50 U.S.C.
98 et seq.].