As applied to Flue-cured tobacco the symbol (S) when used (a) as the third factor of a grademark, denotes slick, unripe tobacco in lemon or orange color, and (b) when used preceding a grademark, denotes tobacco in strip form. (See Rules 17 and 28.) [49 FR 16756, Apr. 20, 1984. Redesignated at 49 FR 16756, Apr. 20, 1984, and 51 FR 25027, July 10, 1986]