No group divisions are established for any of the types in Class 9. Type designations for class 9 are based on (a) utilization, (b) curing method, or both, with no reference to physical characteristics. For tobacco stocks reporting purposes, all foreign-grown tobacco other than cigar leaf shall be designated as follows:
Type 91. Foreign grown tobacco commonly known a soriental or aromatic, used principally in blends of cigarette and pipe tobacco.
Type 92. Foreign-grown flue-cured tobacco.
Type 93. Foreign-cured burley tobacco.
Type 95. Foreign-grown dark air-cured.
Type 96. Foreign-grown fire-cured.
Type 99. Other Foreign-grown cigarette and dark tobacco.