7 CFR § 29.2551
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 has a peculiar side or characteristic which tends to modify the grade. (See Rule 10, §29.2626.)
[37 FR 13626, July 12, 1972. Redesignated at 49 FR 16757, Apr. 20, 1984 and 51 FR 40406, Nov. 7, 1986]