7 CFR § 29.3528
Leaf surface
July 6, 2020
The roughness or smoothness of the web or lamina of a tobacco leaf. Leaf surface is affected to some extent by the size and shrinkage of the veins or fibers (See Elements of Quality, §29.3586.)
[30 FR 9207, July 23, 1965. Redesignated at 49 FR 16759, Apr. 20, 1984]