---
kind: "section"
citation: "7 C.F.R. § 810.402"
title: "7"
number: "810.402"
heading: "Definition of other terms."
url: "https://uscodex.org/cfr/7/810.402"
---

# §810.402. Definition of other terms.

- (a) **Broken corn.** All matter that passes readily through a 12/64 round-hole sieve and over a 6/64 round-hole sieve sample according to procedures prescribed in FGIS instructions.
- (b) **Broken corn and foreign material.** All matter that passes readily through a 12/64 round-hole sieve and all matter other than corn that remains in the sieved after sieving according to procedures prescribed in FGIS instructions.
- (c) **Classes.** There are three classes for corn: Yellow corn, White corn, and Mixed corn.
  - (1) **Yellow corn.** Corn that is yellow-kerneled and contains not more than 5.0 percent of corn of other colors. Yellow kernels of corn with a slight tinge of red are considered yellow corn.
  - (2) **White corn.** Corn that is white-kerneled and contains not more than 2.0 percent of corn of other colors. White kernels of corn with a slight tinge of light straw or pink color are considered white corn.
  - (3) **Mixed corn.** Corn that does not meet the color requirements for either of the classes Yellow corn or White corn and includes white-capped Yellow corn.
- (d) **Damaged kernels.** Kernels and pieces of corn kernels that are badly ground-damaged, badly weather-damaged, diseased, frost-damaged, germ-damaged, heat-damaged, insect-bored, mold-damaged, sprout-damaged, or otherwise materially damaged.
- (e) **Foreign material.** All matter that passes readily through a 6/64 round-hole sieve and all matter other than corn that remains on top of the 12/64 round-hole sieve according to procedures prescribed in FGIS instructions.
- (f) **Heat-damaged kernels.** Kernels and pieces of corn kernels that are materially discolored and damaged by heat.
- (g) **Sieves—**
  - (1) **12/64 round-hole sieve.** A metal sieve 0.032 inch thick with round perforations 0.1875 (12/64) inch in diameter which are 1/4 inch from center to center. The perforations of each row shall be staggered in relation to the adjacent row.
  - (2) **6/64 round-hole sieve.** A metal sieve 0.032 inch thick with round perforations 0.0937 (6/64) inch in diameter which are 5/32 inch from center to center. The perforations of each row shall be staggered in relation to the adjacent row.

## Notes

### Amendments

[52 FR 24418, June 30, 1987, as amended at 52 FR 24437, June 30, 1987; 52 FR 28534, July 31, 1987]

### Authority

Authority: 7 U.S.C. 71-87k.

### Source

Source: 52 FR 24418, June 30, 1987, unless otherwise noted.

### Amendments

[52 FR 24418, June 30, 1987, as amended at 52 FR 24437, June 30, 1987; 52 FR 28534, July 31, 1987]