No group divisions are established for any of the types in Class 8. Type designations for Class 8 tobacco are based on the utilization of the leaf in the manufacture of cigars with no reference to physical characteristics. For tobacco stocks reporting purposes Foreign-grown cigar leaf shall be designated as follows:

(a) Type 81. Foreign-grown cigar wrapper.

(b) Type 82. Foreign-grown cigar filler.

(c) Type 83. Foreign-grown cigar binder.

(d) Type 89. Other Foreign-grown cigar leaf