Summary of standard grades.

§ 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. [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] Key to Standard Grademarks