7 CFR § 29.1059
Special factor
July 6, 2020
A symbol or term authorized to be used with specified grades. Tobacco to which a special factor is applied may meet the general specifications but which has a peculiar side or characteristic which tends to modify the grade. (See Rules 10, 21, 22, 26, 28, 29, and 30.)
[60 FR 36027, July 13, 1995, as amended at 65 FR 46086, July 27, 2000]