Rule 23.
CFR · 2024-01-01 · US · Title 7
Tobacco shall be designated as No Grade, using the grademark, “No-G,” when it is dirty, offtype, semicured, needs to be reworked, damaged 20 percent or more, contains foreign matter, or has an odor foreign to the type.
official document · source cfr-2024 · id 7:§ 29.3126