29.3181—Summary of standard grades.

14 Grades of Flying
X1L X5L X4F X4G
X2L X1F X5F X5G
X3L X2F X4M
X4L X3F X5M
21 Grades of Lugs or Cutters
C1L C2F C5K C5V
C2L C3F C3M C4G
C3L C4F C4M C5G
C4L C5F C5M
C5L C3K C3V
C1F C4K C4V
39 Grades of Leaf
B1F B3FR B3K B3VR
B2F B4FR B4K B4VR
B3F B5FR B5K B5VR
B4F B1R B2M B3GF
B5F B2R B3M B4GF
B2FL B3R B4M B5GF
B3FL B4R B5M B3GR
B4FL B5R B3VF B4GR
B1FR B4D B4VF B5GR
B2FR B5D B5VF
21 Grades of Tips
T3F T3R T5K T5GF
T4F T4R T4VF T4GR
T5F T5R T5VF T5GR
T3FR T4D T4VR
T4FR T5D T5VR
T5FR T4K T4GF
8 Grades of Mixed Group
M3F M5F M4FR M4K
M4F M3FR M5FR M5K
7 Grades of Nondescript
N1L N1R N2L N2G
N1F N1G N2R
1 Grade of Scrap
S
Special factors “U”, “W” and “S” may be applied to all grades. Tobacco not covered by the standard grades is designated by No-G or No-G-Nested.

Code of Federal Regulations

[24 FR 8771, Oct. 29, 1959, as amended at 35 FR 10490, June 27, 1970; 47 FR 51722, Nov. 17, 1982; 49 FR 16758, Apr. 20, 1984; 51 FR 40407, Nov. 7, 1986]