Any lot of Types 22 and 23 tobacco which needs to be resorted or otherwise reworked to prepare it properly for market, including: (a) Tobacco which is so mixed that it cannot be classified properly in any grade of the type, because the lot contains a substantial quantity of two or more distinctly different grades which should be separated by sorting; (b) tobacco which contains an abnormally large quantity of foreign matter or an unusual number of muddy or extremely dirty leaves which should be removed; and (c) tobacco not packed straight or otherwise not properly prepared for market. (See Rule 22, Sec. 29.2638.) [37 FR 13626, July 12, 1972. Redesignated and amended at 49 FR 16757, Apr. 20, 1984]