27 C.F.R. § 41.72b
(b) Product weight. Before removal subject to tax, roll-your-own tobacco must have a clear statement of the actual weight in pounds and ounces of the product in the package. This statement must be adequately imprinted on, or on a label securely affixed to, the package.
(Approved by the Office of Management and Budget under control number 1513-0091)
[T.D. ATF-429, 65 FR 57547, Sept. 25, 2000, as amended by T.D. TTB-78, 74 FR 29415, June 22, 2009]