Section, acts Feb. 16, 1938, ch. 30, title III, § 302, 52 Stat. 43; June 21, 1938, ch. 554, title V, § 502, 52 Stat. 820; July 3, 1948, ch. 827, title II, § 202(a), 62 Stat. 1252, related to price support of agricultural commodities.