27 C.F.R. § 40.167
(b) However, if a manufacturer is required by § 40.165a to pay the tax by electronic fund transfer, the manufacturer shall prepay the tax before any tobacco products can be removed for consumption or sale by completing the return and filing it with TTB, in accordance with the instructions on the form. At the same time, the manufacturer shall direct his bank to effect an EFT.
(Sec. 202, Pub. L. 85-859, 68A Stat. 1417 (26 U.S.C. 5703); sec. 202, Pub. L. 85-859, 72 Stat. 1423, as amended (26 U.S.C. 5741); (Aug. 16, 1954, ch. 736, 68A Stat. 775, as amended (26 U.S.C. 6302)); 26 U.S.C. 7805 (68A Stat. 917, as amended))
[T.D. 6871, 31 FR 34, Jan. 4, 1966. Redesignated at 40 FR 16835, Apr. 15, 1975, and amended by T.D. ATF-77, 46 FR 3008, Jan. 13, 1981; T.D. ATF-219, 50 FR 51390, Dec. 17, 1985; T.D. ATF-232, 51 FR 28081, Aug. 5, 1986; T.D. ATF-243, 51 FR 43194, Dec. 1, 1986; T.D. ATF-251, 52 FR 19340, May 22, 1987]