Damage.

CFR · 2024-01-01 · US · Title 7

(a) Rancidity or decay; (b) Mold; (c) Insects, worm cuts, web or frass; (d) Freezing injury causing hard, translucent or discolored flesh; and, (e) Dirt when the surface of the kernel is heavily smeared, thickly flecked or coated with dirt, seriously affecting its appearance.

official document · source cfr-2024 · id 7:§ 51.2763