27 C.F.R. § 45.51
(a) Records of removals. Every manufacturer who removes tobacco products, and cigarette papers and tubes under this part must, in addition to the records kept under part 40 of this chapter, keep a supporting record of such removals and must make appropriate entries therein at the time of removal. The supporting record for each removal must show:
(d) Retention period. The manufacturer must retain the supporting record for 3 years following the close of the year covered therein. The record must be made available for inspection by any appropriate TTB officer upon request.
(Approved by the Office of Management and Budget under control number 1512-0363)
(See 26 U.S.C. 5741)
[T.D. ATF-420, 64 FR 71945, Dec. 22, 1999, as amended by T.D. ATF-472, Feb. 27, 2002]