7 CFR § 810.405
Special grades and special grade requirements
July 6, 2020
(a) Flint corn. Corn that consists of 95 percent or more of flint corn.
(b) Flint and dent corn. Corn that consists of a mixture of flint and dent corn containing more than 5.0 percent but less than 95 percent of flint corn.
(c) Waxy corn. Corn that consists of 95 percent or more waxy corn, according to procedures prescribed in FGIS instructions.
[52 FR 24418, June 30, 1987, as amended at 52 FR 24441, June 30, 1987; 52 FR 28534, July 31, 1987]